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
56555131TF
No factors below 274
TF target 273
P-1
B1 = 590000
B2 = 11062500
LL
StatusDateUserResidueShift
Verified2012-06-18akohler4F77F0CDB948A77C55911604
Verified2021-04-13Dmitriy Degtiarev4F77F0CDB948A77C3587398
History
DateUserTypeResult
2021-04-13Dmitriy DegtiarevC-LL
4F77F0CDB948A77C
2018-10-27linamentNF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^63 to 2^64
2016-01-08-Anonymous-NF
no factor from 2^72 to 2^73
2015-11-23Sid & AndyNF
no factor from 2^71 to 2^72
2012-06-18akohlerC-LL
4F77F0CDB948A77C
2012-04-26akohlerNF-PM1
B1=590000, B2=11062500
2011-11-30shaugeNF
no factor from 2^70 to 2^71
2011-06-26XyzzyNF
no factor from 2^69 to 2^70
2011-04-20E.LechnerNF
no factor from 2^68 to 2^69
2009-05-25Mads JohansenNF
no factor from 2^67 to 2^68
2008-03-23James HeinrichNF
no factor from 2^66 to 2^67
2008-03-22James HeinrichNF
no factor from 2^65 to 2^66
2008-03-22James HeinrichNF
no factor from 2^64 to 2^65