Fibonacci Numbers

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richie
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28 May 2008, 2:07 pm

2111485077978050

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twoshots
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28 May 2008, 2:15 pm

1304969544928657
2111485077978050
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3,416,454,622,906,707

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richie
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28 May 2008, 2:50 pm

5527939700884757

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twoshots
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28 May 2008, 3:03 pm

#78.
3,416,454,622,906,707
5,527,939,700,884,757
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8,944,394,323,791,464

(How long until the windows calculator can't handle the digits do you suppose?...)

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richie
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28 May 2008, 3:09 pm

14472334024676221

(In scientific mode the windows calculator can handle up to 32 digits.....I wonder how many digits Maxima can handle?)

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twoshots
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28 May 2008, 3:17 pm

#80
08,944,394,323,791,464
14,472,334,024,676,221
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23,416,728,348,467,685

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richie
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28 May 2008, 3:47 pm

37889062373143906

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Dylan14
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28 May 2008, 5:12 pm

61,305,790,721,611,500

richie
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28 May 2008, 5:37 pm

Dylan14 wrote:

61,305,790,721,611,500

Looks like someone is a little off...Should be:
61305790721611591

The next one is:
99194853094755497
99194 853094 755497 is prime

Number of divisors: 2

Sum of divisors: 99194 853094 755498

Euler's Totient: 99194 853094 755496

Moebius: -1

Sum of squares: a^2 + b^2
a = 267 914296
b = 165 580141
http://www.alpertron.com.ar/ECM.HTM

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twoshots
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28 May 2008, 6:18 pm

61,305,790,721,611,591
99,194,853,094,755,497
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160,500,643,816,367,088

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ebec11
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28 May 2008, 6:19 pm

160500643816367088

richie
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28 May 2008, 6:22 pm

259695496911122585

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ebec11
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28 May 2008, 6:24 pm

420196140727489673

richie
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28 May 2008, 6:26 pm

679891637638612258

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richie
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28 May 2008, 6:54 pm

1100087778366101931

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twoshots
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28 May 2008, 8:03 pm

0,679,891,637,638,612,258
1,100,087,778,366,101,931
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1,779,979,416,004,714,189

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