Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
3082087Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
73970089826.1old
696551663929.42008-09-07 19:43:57
1061939187813446231856.62015-04-13 11:51:17
ECM
DigitsB1Curves
255000080 / 280
Estimated T-Level: 21.4 ⓘ
TF below 2^66 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-10-29Oliver KruseB24F472787F356F4318377453
Verified2017-12-11kkmrkkblmbrbkB24F472787F356F43178556253
History
DateUserTypeResult
2022-10-06JossNF-PM1
B1=3082087, B2=445841550
2022-03-14LordJuliusNF
no factor from 2^66 to 2^67
2022-03-14LordJuliusNF
no factor from 2^65 to 2^66
2022-03-14LordJuliusNF
no factor from 2^64 to 2^65
2022-03-14LordJuliusNF
no factor from 2^63 to 2^64
2022-03-14LordJuliusNF
no factor from 2^62 to 2^63
2022-01-19JossNF-PM1
B1=3082087, B2=339011400
2021-12-20JossNF-PM1
B1=3082087, B2=116689650
2021-06-23JossNF-PM1
B1=3082087
2021-06-20JossNF
no factor from 2^67 to 2^68
2021-01-20JossNF-PM1
B1=308208, B2=3082087, E=6
2017-12-11kkmrkkblmbrbkC-PRP
M3082087/73970089/696551663/106193918781344623 : B24F472787F356F4
PRP: Verified
PRP without proof (not generated)
2017-10-29Oliver KruseC-PRP
M3082087/73970089/696551663/106193918781344623 : B24F472787F356F4
PRP: Verified
PRP without proof (not generated)
2015-04-13TJAOIF
Factor: 106193918781344623 / TF: 56-57
2008-09-07Will EdgingtonF
Factor: 696551663