Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
51292193Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
187507131281267368294072374.02009-10-30 04:39:11
History
DateUserTypeResult
2022-04-05LordJuliusNF
no factor from 2^60 to 2^63
2009-10-30belezbarF-PM1
Factor: 18750713128126736829407
2009-09-26Sturle SundeNF
no factor from 2^67 to 2^68
2009-09-23Sturle SundeNF
no factor from 2^66 to 2^67
2009-09-132knarfNF
no factor from 2^65 to 2^66
2009-09-10riccardo ubertiNF
no factor from 2^64 to 2^65
2009-03-13BoulderNF
no factor from 2^63 to 2^64