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
709321Factored
FactorDigitsBitsDate
629877049929.2old
1376760872352029741556659407993096.82022-12-26 07:58:15
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 640
Estimated T-Level: 25.8 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-27Oliver Kruse2B8DD2C8CD240F8F1013
Verified (Factored)2017-09-28Oliver Kruse2B8DD2C8CD240F8F1013
Verified (Factored)2017-11-09kkmrkkblmbrbk2B8DD2C8CD240F8F149555213
Verified (Factored)2020-04-20Oliver Kruse80E65EE57FFBC55B125919553
Verified2022-12-26LordJulius80E65EE57FFBC55B252587053
P-1 factors
DateFactorB1B2
2022-12-2613767608723520297415566594079915000004299875580
History
DateUserTypeResult
2022-12-27Funky WaddleCERT
PRP Certification
Proof certified good
2022-12-26LordJuliusC-PRP
M709321/629877049/137676087235202974155665940799 : 80E65EE57FFBC55B
PRP proof power = 6
PRP: Verified
Proof certified good
2022-12-26USAFSSF-PM1
Factor: 137676087235202974155665940799 / (P-1, B1=1500000, B2=4299875580)
2020-04-20Oliver KruseC-PRP
M709321/629877049 : 80E65EE57FFBC55B
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-11-09kkmrkkblmbrbkC-PRP
M709321/629877049 : 2B8DD2C8CD240F8F
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M709321/629877049 : 2B8DD2C8CD240F8F
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-27Oliver KruseC-PRP
M709321/629877049 : 2B8DD2C8CD240F8F
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12