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richie
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20 Feb 2009, 4:15 pm

Fibonacci Number #731:

263 317680 331264 681519 681145 950648 232874 231647 094026 450114 051965
132658 723363 787216 579296 368017 797639 563265 423059 656847 515502 591310
464690 592672 398891 752569

Fibonacci Number #732:

426 056956 614765 925644 437233 718383 606780 704477 542812 045558 843083
735294 299626 924853 399685 933864 730144 322247 648030 957959 403370 383904
390103 670040 359152 341584 = 2 ^ 4 x 3 ^ 2 x 1097 x 4513 x 19763 x 102481 x
10 225307 x 21 291929 x 21 791641 x 555 003497 x 14686 239709 x 5 600748
293801 x 24 848660 119363 x 533 975715 909289 x 14297 347971 975757 800833 x
7 181634 929637 355776 701081 412683

Number of divisors: 245760


The Fibonacci numbers whose index numbers are even take a very short time to factor
whereas the odd ones can take hours.


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TallyMan
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24 Feb 2009, 3:39 pm

Fibonacci number #733. 153 digits.
689 374 636 946 030 607 164 118 379 669 031 839 654 936 124 636 838 495 672 895 048 867 953 022 990 712 069 978 982 301 882 527 783 885 513 071 090 614 806 918 872 975 214 854 794 262 712 758 044 094 153


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richie
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24 Feb 2009, 4:44 pm

Fibonacci Number #734:
1115 431593 560796 532808 555613 387415 446435 640602 179650 541231 738132
603247 322617 636923 378668 235747 257928 207760 719121 572766 322243 359119
244897 932753 117196 435737 = 733 x 2 298889 x 17 969789 x 75 991753 x 5648
966761 x 19997 474011 x 43397 676601 x 114150 315493 x 28770 822474 564239 x
886000 936153 274021 x 42 617146 790676 471298 183229 x 797 357235 624701
499134 444201

Number of divisors: 4096


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25 Feb 2009, 3:05 pm

Fibonacci number #735. 154 digits.
1 804 806 230 506 827 139 972 673 993 056 447 286 090 576 726 816 489 036 904 633 181 471 200 345 608 348 993 357 650 537 629 785 712 093 273 790 212 187 573 241 116 334 334 099 692 195 465 875 240 529 890


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richie
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25 Feb 2009, 5:34 pm

Fibonacci Number #736:
2920 237824 067623 672781 229606 443862 732526 217328 996139 578136 371314
074447 668225 985916 736318 773377 043640 301034 509333 760339 563359 693453
344590 128218 992436 965627 = 3 x 7 x 47 x 139 x 367 x 461 x 2207 x 4969 x
28657 x 245087 x 253367 x 275449 x 11 079007 x 9 506372 193863 x 37 309023
160481 x 441 720958 100381 917103 x 13 484292 549345 009218 015967 701713
491137 426073 107017 330576 389569

Number of divisors: 131072


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28 Feb 2009, 5:09 pm

Fibonacci number #737. 154 digits.
4 725 044 054 574 450 812 753 903 599 500 310 018 616 794 055 812 628 615 041 004 495 545 648 013 834 334 910 093 969 311 006 829 352 394 308 299 545 947 912 804 476 027 787 444 282 323 684 867 677 495 517


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richie
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28 Feb 2009, 6:49 pm

Fibonacci Number #738:
7645 281878 642074 485535 133205 944172 751143 011384 808768 193177 375809
620095 682060 320826 830288 084383 872992 695342 808879 708252 367835 721240
788872 451903 860114 461144 = 2 ^ 3 x 17 x 19 x 739 x 2789 x 8117 x 59369 x
199261 x 4 767481 x 370 248451 x 7188 487771 x 26024 651929 x 84738 793193 x
9 382599 520669 x 18 736753 266019 x 68541 957733 949701 x 117838 518633
351469 x 376254 926106 165750 813409

Number of divisors: 524288


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02 Mar 2009, 1:22 pm

Fibonacci number #739. 155 digits.
12 370 325 933 216 525 298 289 036 805 444 482 769 759 805 440 621 396 808 218 380 305 165 743 695 894 655 736 924 257 395 390 702 345 089 651 108 425 656 165 172 311 749 028 233 154 775 588 727 791 956 661


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richie
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02 Mar 2009, 3:42 pm

Fibonacci Number #740:
20015 607811 858599 783824 170011 388655 520902 816825 430165 001395 756114
785839 377954 976563 754545 479774 575337 784993 917305 364417 540147 470269
022027 227492 587906 417805 = 3 x 5 x 11 x 41 x 73 x 149 x 1481 x 2221 x
11987 x 54 018521 x 81143 477963 x 265 272771 839851 x 311 306833 878041 x
2918 000731 816531 x 1 702945 513191 305556 907097 618161 x 3 835428 969729
521900 864406 164428 218332 995201

Number of divisors: 65536


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02 Mar 2009, 4:20 pm

Fibonacci number #741. 155 digits.
32 385 933 745 075 125 082 113 206 816 833 138 290 662 622 266 051 561 809 614 136 419 951 583 073 849 632 300 678 802 875 165 277 682 874 645 025 731 020 582 712 459 219 297 255 182 003 081 315 698 374 466


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richie
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02 Mar 2009, 4:44 pm

Fibonacci Number #742:
52401 541556 933724 865937 376828 221793 811565 439091 481726 811009 892534
737422 451804 608864 433348 354939 853020 659638 943036 385000 252606 689566
277209 230573 903604 792271 = 13 x 29 x 953 x 6679 x 207017 (Curve 1) x 55
945741 x 119218 851371 x 35 668796 989484 800666 122809 (SIQS) x 415596
322649 845773 295720 736044 732151 x 1 066891 454330 692360 911118 469915
492770 211286 402568 532457 966113

Number of divisors: 1024


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02 Mar 2009, 4:50 pm

Fibonacci number #743. 155 digits.
84 787 475 302 008 849 948 050 583 645 054 932 102 228 061 357 533 288 620 624 028 954 689 005 525 654 241 165 112 151 230 105 130 703 534 283 968 767 405 582 965 065 908 863 532 391 233 655 219 303 166 737


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richie
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02 Mar 2009, 5:01 pm

Fibonacci Number #744:
137189 016858 942574 813987 960473 276725 913793 500449 015015 431633 921489
426427 977458 850029 545499 585044 983724 193922 911803 790583 217672 598429
809600 464229 122907 959008 = 2 ^ 5 x 3 ^ 2 x 7 x 23 x 557 x 743 x 1489 x
2417 x 63799 x 467729 (Curve 1) x 3 010349 x 15 917507 (Curve 1) x 35 510749
x 3 020733 700601 x 4 531100 550901 x 33758 740830 460183 x 859886 421593
527043 x 98465 083280 977541 404796 710798 431455 619960 794209

Number of divisors: 1 179648

156 Digits


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02 Mar 2009, 5:26 pm

Fibonacci number #745. 156 digits.
221 976 492 160 951 424 762 038 544 118 331 658 016 021 561 806 548 304 052 257 950 444 115 433 503 113 091 194 657 650 815 150 114 427 728 206 880 571 196 166 182 738 507 293 341 991 697 884 342 211 125 745


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richie
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02 Mar 2009, 7:21 pm

Fibonacci Number #746:
359165 509019 893999 576026 504591 608383 929815 062255 563319 483891 871933
541861 480571 941224 203150 400195 098151 922129 792374 986749 400411 105723
151592 162113 465119 084753 = 2237 x 2239 x 9697 x 371509 (Curve 1) x 20
580649 x 2416 423364 226955 152383 303968 756154 137928 463542 120118 369457
x 400 254035 815230 315691 149177 295200 682735 160941 001088 181098 834904
823746 738439

Number of divisors: 128


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04 Mar 2009, 1:52 pm

Fibonacci number #747. 156 digits.
581 142 001 180 845 424 338 065 048 709 940 041 945 836 624 062 111 623 536 149 822 377 657 294 983 685 032 418 860 801 215 345 212 579 650 336 672 946 182 915 583 149 613 016 493 583 859 997 807 330 210 498


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