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
22171511TF
No factors below 274
TF target 269
P-1
B1 = 255000
B2 = 5992500
LL
StatusDateUserResidueShift
Bad2004-01-27Roy Behymer41738A3AE2CA2FFC3269356
Verified2009-11-21zampel771019D0E8DB942F3780536
Verified2010-11-18Carsten Kossendey771019D0E8DB942F18914335
History
DateUserTypeResult
2021-09-16TheJudgerNF
no factor from 2^73 to 2^74
2021-09-06TheJudgerNF
no factor from 2^72 to 2^73
2021-09-06TheJudgerNF
no factor from 2^71 to 2^72
2021-09-06TheJudgerNF
no factor from 2^70 to 2^71
2017-07-21ramgeisNF
no factor from 2^69 to 2^70
2017-07-21ramgeisNF
no factor from 2^68 to 2^69
2017-05-01ramgeisNF
no factor from 2^67 to 2^68
2010-11-18Carsten KossendeyC-LL
771019D0E8DB942F
2009-11-21zampelC-LL
771019D0E8DB942F