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
38228383TF
No factors below 275
TF target 271
P-1
B1 = 330000
B2 = 1650000
LL
StatusDateUserResidueShift
Verified2009-03-07-Anonymous-4C085705BB32C42C25338124
Verified2015-04-15-Anonymous-4C085705BB32C42C5370128
Verified2015-06-14MadPoo4C085705BB32C42C5406407
History
DateUserTypeResult
2020-07-27Smok_bmv NF
no factor from 2^74 to 2^75
2020-02-14-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-18-Anonymous-NF
no factor from 2^72 to 2^73
2019-10-18-Anonymous-NF
no factor from 2^71 to 2^72
2015-06-14MadPooC-LL
4C085705BB32C42C
2015-04-15-Anonymous-C-LL
4C085705BB32C42C
2015-01-08Mark RoseNF
no factor from 2^70 to 2^71
2014-11-08HBendtzNF
no factor from 2^69 to 2^70
2009-03-07-Anonymous-C-LL
4C085705BB32C42C