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 F16
No factors below 268
TF target 244
Assignments
AssignedUserWork TypeStage% DoneUpdatedEst CompleteExpired
2025-02-04sannerud.comECM2026-01-092026-01-30
2023-09-09sannerud.comECMC5S262.26 %2026-01-092026-01-10
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000040830 / 40830
6026000000021274 / 105362
Estimated T-Level: 56.0 ⓘ
TF below 2^181 is very unlikely to find new factors due to ECM effort.
History
DateUserTypeResult
2025-03-31Anton RepkoNF-PM1B1=2000000000000, B2=2200850053049668020
2021-05-02ATHNF-PP1Start=6/5, B1=2000000000, B2=100000000000
2021-04-23ATHNF-PP1Start=2/7, B1=500000000, B2=50000000000
2014-04-27chargerF-ECMFactor: 825753601
2014-04-03chargerF-ECMFactor: 825753601