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
120122257TF
No factors below 277
TF target 277
P-1
B1 = 830000
B2 = 223090560
PRP
StatusDateUserResidueShiftTypeBase
compositeVerified2024-04-18ky0uraku4FC1A1B9E6D8F6A48828940313
History
DateUserTypeResult
2024-04-18S00030CERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-04-18ky0urakuC-PRP
4FC1A1B9E6D8F6A4
PRP proof power = 9
PRP: Verified
Proof certified good
2023-11-13gcardonaNF-PM1
B1=830000, B2=223090560
2022-05-23TheJudgerNF
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
2021-05-10FlaukrotistNF
no factor from 2^73 to 2^74
2020-11-14SRBaseNF
no factor from 2^72 to 2^73
2015-05-03endless_mikeNF
no factor from 2^71 to 2^72
2015-05-03endless_mikeNF
no factor from 2^70 to 2^71
2015-04-25Mihai PredaNF
no factor from 2^69 to 2^70
2014-12-31caddrNF
no factor from 2^68 to 2^69
2014-12-22caddrNF
no factor from 2^67 to 2^68
2013-03-28E.LechnerNF
no factor from 2^66 to 2^67
2012-08-01tscNF
no factor from 2^65 to 2^66
2010-10-18Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-16sasaki3NF
no factor from 2^63 to 2^64