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
2299189
Composite: 3 known prime factors
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
15140251532571340.5old
12138685237303166469192270.02025-04-20 22:22:15
228242486515488102378129585132994.22025-11-15 16:24:42
ECM
DigitsB1Curves
2550000280 / 280
30250000125 / 640
Estimated T-Level: 26.0 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
PRP without proof (not generated)
2017-10-11Oliver Kruse8AE51D527B504D291013
Factored
PRP without proof (not generated)
2017-11-22storm55108AE51D527B504D29114540513
Factored
Certified Good
2025-04-20featherA48C7AE1A079C8792184369453
History
DateUserTypeResult
2025-11-15TJAOIF-ECMFactor: 22824248651548810237812958513 / ECM curve 32, B1=250000, B2=264647565, Edwards Sigma=5354069526591827
2025-04-20Team_SchaubCERT
Proof certified good
2025-04-20featherC-PRPM2299189/1514025153257/1213868523730316646919 : A48C7AE1A079C879
Proof Certified Good

Proof Power: 7

2025-04-20featherF-ECMFactor: 1213868523730316646919 / ECM curve 1, B1=85207, B2=25127190, Edwards Sigma=2348408136372020
2017-11-22storm5510C-PRPM2299189/1514025153257 : 8AE51D527B504D29
2017-10-11Oliver KruseC-PRPM2299189/1514025153257 : 8AE51D527B504D29
2016-04-30alpertronNF-PM1B1=500000, B2=15000000, E=12