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
12756313Factored
FactorDigitsBitsDate
617405549211135.8old
254062233950967455170720079780499844960940130.92022-05-07 09:13:27
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2022-05-07XZTD066A01C6F8BADC81205818153
Verified2023-01-21DobriD066A01C6F8BADC821165462053
P-1 factors
DateFactorB1B2
2022-05-072540622339509674551707200797804998449609400000428459850
History
DateUserTypeResult
2023-01-21DobriNF
no factor from 2^71 to 2^72
2023-01-21DobriNF
no factor from 2^70 to 2^71
2023-01-21DobriNF
no factor from 2^69 to 2^70
2023-01-21DobriNF
no factor from 2^68 to 2^69
2023-01-21iwesCERT
PRP Certification
Proof certified good
2023-01-21DobriC-PRP
M12756313/61740554921/2540622339509674551707200797804998449609 : D066A01C6F8BADC8
PRP proof power = 8
PRP: Verified
Proof certified good
2023-01-21DobriNF
no factor from 2^67 to 2^68
2023-01-21DobriF
Factor: 61740554921 / TF: 1-64
2022-05-07x-s-y-CERT
PRP Certification
Proof certified good
2022-05-07XZTC-PRP
M12756313/61740554921 : D066A01C6F8BADC8
PRP proof power = 8
PRP: Verified
Proof certified good
2022-05-07nordiF-PM1
Factor: 2540622339509674551707200797804998449609 / (P-1, B1=400000, B2=428459850)
2022-05-07nordiNF-PM1
B1=400000