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
120021527TF
No factors below 277
TF target 277
P-1
B1 = 653000
B2 = 52042770
PRP
StatusDateUserResidueShiftTypeBase
compositeVerified2024-04-19ky0urakuEF602604594B77F28486607813
History
DateUserTypeResult
2024-04-19ma2gikeilCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-04-19ky0urakuC-PRP
EF602604594B77F2
PRP proof power = 9
PRP: Verified
Proof certified good
2023-11-22tscNF-PM1
B1=653000, B2=52042770
2022-05-22TheJudgerNF
no factor from 2^76 to 2^77
2021-07-11TheJudgerNF
no factor from 2^75 to 2^76
2021-07-11TheJudgerNF
no factor from 2^74 to 2^75
2021-05-03gcardonaNF
no factor from 2^73 to 2^74
2020-10-19SRBaseNF
no factor from 2^72 to 2^73
2012-05-14UlyssesNF
no factor from 2^71 to 2^72
2012-05-10UlyssesNF
no factor from 2^70 to 2^71
2012-05-07UlyssesNF
no factor from 2^69 to 2^70
2012-05-01UlyssesNF
no factor from 2^68 to 2^69
2012-04-24UlyssesNF
no factor from 2^67 to 2^68
2012-04-01UlyssesNF
no factor from 2^66 to 2^67
2011-12-09UlyssesNF
no factor from 2^65 to 2^66
2010-10-18Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-16Torchwood InstituteNF
no factor from 2^63 to 2^64