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
42300133TF
No factors below 274
TF target 272
P-1
B1 = 750000
B2 = 15000000
LL
StatusDateUserResidueShift
Verified2009-06-12Bill_PurvisB1B8EF0B5398652D39810019
Verified2016-07-03Sergey NosovB1B8EF0B5398652D17828574
History
DateUserTypeResult
2020-01-12Sid & AndyNF-PM1
B1=750000, B2=15000000, E=12
2020-01-05-Anonymous-NF
no factor from 2^73 to 2^74
2018-08-09-Anonymous-NF
no factor from 2^72 to 2^73
2016-07-03Sergey NosovC-LL
B1B8EF0B5398652D
2015-09-16AirSquirrelsNF
no factor from 2^71 to 2^72
2015-03-20Mark RoseNF
no factor from 2^70 to 2^71
2015-02-06krackerNF
no factor from 2^69 to 2^70
2009-06-12Bill_PurvisC-LL
B1B8EF0B5398652D