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:





MnDetails
Fermat F27
No factors below 268
TF target 277
Assignments
AssignedUserWork TypeStage% DoneUpdatedEst CompleteExpired
2025-12-08Jacques MOLNEECMC5S235.23 %2026-01-102026-01-11
2025-11-18mhoneyECMC3S185.84 %2026-01-102026-02-24
2025-11-18mhoneyECMC2S168.18 %2026-01-092026-04-11
2025-11-18mhoneyECMC2S12.84 %2026-01-102026-02-11
2025-11-18mhoneyECM2026-01-102026-03-08
2025-11-18mhoneyECMC2S212.57 %2026-01-102026-02-07
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000250 / 1566
Estimated T-Level: 30.8 ⓘ
TF below 2^97 is very unlikely to find new factors due to ECM effort.
History
DateUserTypeResult
2025-01-10Anton RepkoNF-PM1B1=1000000000, B2=9000000423960
2021-10-24H MichaelsonNF-PP1Start=2/7, B1=1500000
2021-04-26ATHNF-PP1Start=6/5, B1=1000000, B2=50000000
2021-04-25ATHNF-PP1Start=2/7, B1=500000, B2=50000000