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#1244 |
May 2008
Wilmington, DE
22×23×31 Posts |
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#1245 |
May 2008
Wilmington, DE
285210 Posts |
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#1246 |
May 2008
Wilmington, DE
54448 Posts |
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#1247 |
May 2007
Kansas; USA
241038 Posts |
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573*2^1226854-1 is prime
593*2^1227476-1 is prime |
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#1248 |
Just call me Henry
"David"
Sep 2007
Cambridge (GMT/BST)
2×2,909 Posts |
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513*2^1229391-1 is Prime
My first in a while and as a consequence my largest. |
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#1249 |
May 2007
Kansas; USA
11×937 Posts |
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569*2^1232424-1 is prime
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#1250 |
Mar 2006
Germany
132·17 Posts |
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375*2^1319127-1 is prime
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#1251 |
May 2007
Kansas; USA
1030710 Posts |
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595*2^1234025-1 is prime
425*2^1240016-1 is prime Last fiddled with by gd_barnes on 2013-06-13 at 18:44 Reason: add prime |
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#1252 |
May 2008
Wilmington, DE
22·23·31 Posts |
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#1253 |
May 2007
Kansas; USA
11·937 Posts |
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423*2^1243214-1 is prime
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#1254 |
"Serge"
Mar 2008
Phi(4,2^7658614+1)/2
3·3,109 Posts |
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Nice one -- written with just ones, twos, threes and fours. ;-)
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