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 F18
No factors below 268
TF target 244
Assignments
AssignedUserWork TypeStage% DoneUpdatedEst CompleteExpired
2021-07-30Peter_Crea_14ECMC1S124.26 %2025-12-092025-12-25
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000020233 / 40830
Estimated T-Level: 52.5 ⓘ
TF below 2^169 is very unlikely to find new factors due to ECM effort.
History
DateUserTypeResult
2025-10-20Anton RepkoNF-PM1B1=500000000000, B2=440057992153099320
2024-10-10yuriy_5-1NF-PM1B1=110000000, B2=44005624552890
2021-05-02ATHNF-PP1Start=6/5, B1=200000000, B2=20000000000
2021-04-23ATHNF-PP1Start=2/7, B1=50000000, B2=5000000000