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 F22
No factors below 268
TF target 265
Assignments
AssignedUserWork TypeStage% DoneUpdatedEst CompleteExpired
2026-01-01BuckleECMC1S166.15 %2026-01-092026-12-06
2025-12-17-anonymous-ECMC4S165.54 %2026-01-022026-01-09
2025-12-17-anonymous-ECMC4S122.35 %2026-01-022026-01-10
2025-12-17-anonymous-ECMC4S143.22 %2026-01-022026-01-09
2025-11-14Dr. DwayneECMC1S134.98 %2025-11-172026-01-04
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000003395 / 9201
Estimated T-Level: 41.8
TF below 2^134 is very unlikely to find new factors due to ECM effort.
History
DateUserTypeResult
2023-06-16James HeinrichNF-PM1B1=20000000, B2=10128934200
2021-09-04H MichaelsonNF-PP1Start=2/7, B1=1000000, B2=100000000
2021-04-29ATHNF-PP1Start=6/5, B1=20000000, B2=2000000000
2021-04-23ATHNF-PP1Start=2/7, B1=5000000, B2=500000000
2010-03-25BuckleF-ECMFactor: 64658705994591851009055774868504577