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

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MnStatusDetails
7122763Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
21653199531031.0old
84903334971033.02008-09-08 03:25:57
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-02-12Chun sung sooE5F722AAB83D9A502375830953
Verified2019-03-24Chang Chia-TcheE5F722AAB83D9A502474782353
History
DateUserTypeResult
2024-01-08Stef42NF-PM1
B1=820000, B2=1867711230
2019-03-24Chang Chia-TcheC-PRP
M7122763/2165319953/8490333497 : E5F722AAB83D9A50
PRP: Verified
PRP without proof (not generated)
2018-02-12Chun sung sooC-PRP
M7122763/2165319953/8490333497 : E5F722AAB83D9A50
PRP: Verified
PRP without proof (not generated)
2008-09-08Will EdgingtonF
Factor: 8490333497