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

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MnStatusDetails
8825461Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
405971207928.6old
337369625898069911754.92014-12-23 11:44:38
5382496943458347591858.92015-10-09 11:47:16
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2019-02-11ATH898388B4D7E93E18358054053
Verified2020-09-21Wentao Huang898388B4D7E93E183506428653
History
DateUserTypeResult
2024-09-14Stef42NF-PM1
B1=1765000, B2=2539152000
2020-09-22Architects CubedCERT
PRP Certification
Proof certified good
2020-09-21Wentao HuangC-PRP
M8825461/405971207/33736962589806991/538249694345834759 : 898388B4D7E93E18
PRP proof power = 8
PRP: Verified
Proof certified good
2019-02-11ATHC-PRP
M8825461/405971207/33736962589806991/538249694345834759 : 898388B4D7E93E18
PRP: Verified
PRP without proof (not generated)
2015-10-09TJAOIF
Factor: 538249694345834759 / TF: 58-59
2014-12-23TJAOIF
Factor: 33736962589806991 / TF: 54-55