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

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MnStatusDetails
105088147Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
14299604611882497490064632580.22021-01-04 05:26:00
P-1 factors
DateFactorB1B2
2021-01-04142996046118824974900646373400020956000
History
DateUserTypeResult
2021-01-04Kevin JagetF-PM1
Factor: 1429960461188249749006463 / (P-1, B1=734000, B2=20956000, E=12)
2020-12-31Jon PaceNF
no factor from 2^76 to 2^77
2020-12-04Jon PaceNF
no factor from 2^75 to 2^76
2020-12-04Jon PaceNF
no factor from 2^74 to 2^75
2020-04-02SRBaseNF
no factor from 2^73 to 2^74
2019-12-12GordonNF
no factor from 2^72 to 2^73
2015-05-08endless_mikeNF
no factor from 2^71 to 2^72
2015-05-08endless_mikeNF
no factor from 2^70 to 2^71
2015-05-08endless_mikeNF
no factor from 2^69 to 2^70
2015-05-08endless_mikeNF
no factor from 2^68 to 2^69
2013-09-15jwdenneyNF
no factor from 2^67 to 2^68
2013-09-09willmoreNF
no factor from 2^66 to 2^67
2012-05-13omiXorpNF
no factor from 2^65 to 2^66
2010-09-03RichardNF
no factor from 2^64 to 2^65
2010-04-25RichardNF
no factor from 2^63 to 2^64