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

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MnStatusDetails
Fermat F29Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
24052869124587531651.11980-10-17
ECM
DigitsB1Curves
2550000111 / 280
Estimated T-Level: 22.0
TF below 2^68 is very unlikely to find new factors due to ECM effort.
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-09-30WoodMan777factor ECM small0.00 % 2024-10-23
2024-09-30WoodMan777factor ECM small0.00 % 2024-10-23
2024-09-29WoodMan777factor ECM smallC4S194.99 % 2024-10-23
History
DateUserTypeResult
2024-08-12Anton RepkoNF-PM1
B1=250000000, B2=700031227350
2021-04-26ATHNF-PP1
Start=6/5, B1=200000, B2=10000000
2021-04-25ATHNF-PP1
Start=2/7, B1=100000, B2=10000000
2017-07-23Jacques MOLNEF-ECM
Factor: 2405286912458753 / (ECM curve 1, B1=50000, B2=5000000)