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Old 2004-06-07, 14:50   #10
dave_0273
 
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Oct 2003
Australia, Brisbane

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It doesn't beat my personal best, but here is a 43 digit factor

UID: dave_0273/buffy, M12889889 has a factor: 2975472867644373392513490171544511832022967

Unfortunately, it isn't prime

2975472867644373392513490171544511832022967 = 26296325190058 952183 x 113151660779173033002049

Still, I thought that it was worth mentioning. It is a 142 bit factor.
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