Fibonacci Numbers

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TallyMan
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22 Aug 2008, 3:18 pm

581811569836004006491505558634099066259034153405766997246569401

richie
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22 Aug 2008, 3:44 pm

941390895042587567453271223806288165311401367715034229502159202

941 390895 042587 567453 271223 806288 165311 401367 715034 229502 159202 = 2
x 743 519377 x 770857 978613 x 8550 224389 674481 x 96 049657 917279 874851 369421

Number of divisors: 32

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TallyMan
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22 Aug 2008, 3:54 pm

1523202464878591573944776782440387231570435521120801226748728603

richie
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Age: 67
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22 Aug 2008, 3:58 pm

2464593359921179141398048006246675396881836888835835456250887805

2464 593359 921179 141398 048006 246675 396881 836888 835835 456250 887805 =
5 x 2441 x 4513 x 6101 x 555 003497 x 20 415253 966247 698801 x 647277 670717 998240 943861

Number of divisors: 128

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TallyMan
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22 Aug 2008, 4:00 pm

3987795824799770715342824788687062628452272409956636682999616408

richie
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Age: 67
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22 Aug 2008, 4:09 pm

6452389184720949856740872794933738025334109298792472139250504213

6452 389184 720949 856740 872794 933738 025334 109298 792472 139250 504213 =
613 x 9 143689 x 5307 027867 738937 x 216 913841 513988 014390 392583 520681 471857

Number of divisors: 16

This one took a while to factor:
Factorization complete in 0d 0h 2m 54s
ECM: 2210680 modular multiplications
Prime checking: 48116 modular multiplications
SIQS: 12766 polynomials sieved
21080 sets of trial divisions
1339 smooth congruences found (1 out of every 572038 values)
12439 partial congruences found (1 out of every 61577 values)
1398 useful partial congruences

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TallyMan
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22 Aug 2008, 4:12 pm

10440185009520720572083697583620800653786381708749108822250120621

richie
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22 Aug 2008, 4:22 pm

16892574194241670428824570378554538679120491007541580961500624834

16892 574194 241670 428824 570378 554538 679120 491007 541580 961500 624834 =
2 x 617 x 318889 x 519121 x 5 644193 x 512 119709 x 32386 142297 x 883364 563627 459323 040861

Number of divisors: 256

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TallyMan
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22 Aug 2008, 4:43 pm

27332759203762391000908267962175339332906872716290689783750745455

richie
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Joined: 9 Jan 2007
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22 Aug 2008, 4:47 pm

44225333398004061429732838340729878012027363723832270745251370289

44225 333398 004061 429732 838340 729878 012027 363723 832270 745251 370289 =
837833 x 6 872477 x 603 717553 x 12 722327 040132 186089 258010 295231 047801 838093

Number of divisors: 16

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TallyMan
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22 Aug 2008, 4:50 pm

71558092601766452430641106302905217344934236440122960529002115744

richie
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Joined: 9 Jan 2007
Age: 67
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22 Aug 2008, 5:06 pm

115783425999770513860373944643635095356961600163955231274253486033

115783 425999 770513 860373 944643 635095 356961 600163 955231 274253 486033
= 1877 x 5009 x 7901 346123 803597 x 1 558583 251423 132840 655438 799726 119705 876273

Number of divisors: 16

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TallyMan
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23 Aug 2008, 10:03 am

187341518601536966291015050946540312701895836604078191803255601777

richie
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23 Aug 2008, 10:36 am

303124944601307480151388995590175408058857436768033423077509087810

303124 944601 307480 151388 995590 175408 058857 436768 033423 077509 087810
= 2 x 5 x 13 x 17 x 61 x 421 x 109441 x 141961 x 9 761221 x 35 239681 x 8288 823481
x 120570 028745 492370 271501

Number of divisors: 4096

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TallyMan
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23 Aug 2008, 10:46 am

490466463202844446442404046536715720760753273372111614880764689587

richie
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Joined: 9 Jan 2007
Age: 67
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23 Aug 2008, 1:19 pm

793591407804151926593793042126891128819610710140145037958273777397

793591 407804 151926 593793 042126 891128 819610 710140 145037 958273 777397
= 1 307309 x 50354 633016 533380 504238 521909 x 12 055334 654946 982453 464994 276837

Number of divisors: 8

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