Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
10191319Factored
FactorDigitsBitsDate
375506457133048494412065.02013-04-21 11:16:26
LL
StatusDateUserResidueShift
Verified (Factored)2000-06-26Johannes Stahl8A127D661398F2C92686502
Bad2003-10-08Gordon M. Spence37F61C0C52AB5E7D6103221
Bad2004-03-26ilario53DF745FBE59CBBA3171750
Verified (Factored)2004-08-06Ars Technica Team Prime Rib8A127D661398F2C99491383
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2020-02-09Niels_Mache_Nextcloud0641EFAFEF4080121460178353
Verified2021-02-07Richard Thomas0641EFAFEF4080121191423753
P-1 factors
DateFactorB1B2
2013-04-21375506457133048494411250002468750
History
DateUserTypeResult
2022-04-08James HeinrichNF
no factor from 2^66 to 2^67
2022-04-08James HeinrichF
Factor: 37550645713304849441 / TF: 65-66
2022-04-08James HeinrichNF
no factor from 2^64 to 2^65
2022-01-24ViliamFNF
no factor from 2^68 to 2^69
2022-01-24ViliamFNF
no factor from 2^67 to 2^68
2021-02-14curtiscCERT
PRP Certification
Proof certified good
2021-02-07Richard ThomasC-PRP
M10191319/37550645713304849441 : 0641EFAFEF408012
PRP proof power = 8
PRP: Verified
Proof certified good
2020-02-09Niels_Mache_NextcloudC-PRP
M10191319/37550645713304849441 : 0641EFAFEF408012
PRP: Verified
PRP without proof (not generated)
2013-04-21NesowaF-PM1
Factor: 37550645713304849441