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:





MnDetails
10383403
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
1871504556731237.4old
3710612896091238.42008-09-08 06:32:36
177523882818449656872063.92017-06-14 11:31:23
2249863830712715317672167.62022-12-09 19:14:54
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2020-05-20Luigi Morelli527986F1C281CC3B3186567253
Factored
Certified Good
2021-02-26rucio527986F1C281CC3B3148173353
Verified
Certified Good
2022-12-16rucio527986F1C281CC3B4887182953
History
DateUserTypeResult
2026-01-08Sid & AndyNF-PM1B1=1700000, B2=1975096200
2022-12-16curtiscCERT
Proof certified good
2022-12-16rucioC-PRPM10383403/187150455673/371061289609/17752388281844965687/224986383071271531767 : 527986F1C281CC3B
Proof Certified Good

Proof Power: 8

2022-12-11LordJuliusNFno factor TF: 66-67
2022-12-11LordJuliusNFno factor TF: 65-66
2022-12-11LordJuliusNFno factor TF: 64-65
2022-12-09TJAOIFFactor: 224986383071271531767
2021-02-26arnaudCERT
Proof certified good
2021-02-26rucioC-PRPM10383403/187150455673/371061289609/17752388281844965687 : 527986F1C281CC3B
Proof Certified Good

Proof Power: 8

2020-05-20Luigi MorelliC-PRPM10383403/187150455673/371061289609/17752388281844965687 : 527986F1C281CC3B
2017-06-14TJAOIFFactor: 17752388281844965687
2008-09-08Will EdgingtonFFactor: 371061289609