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
76208731Composite: proven not-prime with PRP test
TF
No factors below 275
TF target 274
P-1
B1 = 640000
B2 = 12800000
LL
StatusDateUserResidueShift
Unverified2016-01-22-Anonymous-9708D707D76A2F__16904552
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-10-19Luke DurantB54D06B3C9C94057013
History
DateUserTypeResult
2024-10-19S147127CERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-10-19Luke DurantC-PRP
B54D06B3C9C94057
PRP proof power = 9
PRP: Verified
Proof certified good
2016-01-22-Anonymous-C-LL
9708D707D76A2F__
2015-09-04Travis Glenn RussoNF-PM1
B1=640000, B2=12800000, E=12
2015-07-01ChuckNF
no factor from 2^74 to 2^75
2015-07-01ChuckNF
no factor from 2^73 to 2^74
2013-04-15DRHNF
no factor from 2^72 to 2^73
2013-04-15DRHNF
no factor from 2^71 to 2^72
2012-12-28igNF
no factor from 2^70 to 2^71
2010-10-08-Anonymous-NF
no factor from 2^69 to 2^70
2010-09-30-Anonymous-NF
no factor from 2^68 to 2^69
2010-09-24Dr. NowakNF
no factor from 2^67 to 2^68
2010-09-10Dr. NowakNF
no factor from 2^66 to 2^67
2010-09-03tmorrowNF
no factor from 2^65 to 2^66
2010-08-25SAHS Tech DeptNF
no factor from 2^64 to 2^65