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

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MnStatusDetails
6980269Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
209408071927.6old
83621851304949462545772272.82024-01-01 09:25:29
910650840752074341817510792831137734112.82025-01-10 06:41:32
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2018-01-26treborC1186A78FD0830B81679165753
Verified (Factored)2019-02-22Luigi MorelliC1186A78FD0830B8161806753
Verified (Factored)2024-01-07PerigC1186A78FD0830B82198575553
Verified2025-01-17kurlyC1186A78FD0830B83507874053
P-1 factors
DateFactorB1B2
2024-01-018362185130494946254577600000600000
2025-01-10910650840752074341817510792831137722020004532402490
History
DateUserTypeResult
2025-01-17ky0urakuCERT
PRP Certification
Proof certified good
2025-01-17kurlyC-PRP
M6980269/209408071/8362185130494946254577/9106508407520743418175107928311377 : C1186A78FD0830B8
PRP proof power = 8
PRP: Verified
Proof certified good
2025-01-10Stef42F-PM1
Factor: 9106508407520743418175107928311377 / (P-1, B1=2202000, B2=4532402490)
2024-01-08daveward2005CERT
PRP Certification
Proof certified good
2024-01-07PerigC-PRP
M6980269/209408071/8362185130494946254577 : C1186A78FD0830B8
PRP proof power = 8
PRP: Verified (Factored)
Proof certified good
2024-01-01Stef42F-PM1
Factor: 8362185130494946254577 / (P-1, B1=600000)
2019-02-22Luigi MorelliC-PRP
M6980269/209408071 : C1186A78FD0830B8
PRP: Verified (Factored)
PRP without proof (not generated)
2018-01-26treborC-PRP
M6980269/209408071 : C1186A78FD0830B8
PRP: Verified (Factored)
PRP without proof (not generated)