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
2316481
Composite: 3 known prime factors
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
58779454475271342.4old
86591601176197322342232272.92025-03-06 22:49:56
159267449788585646608424712683.72026-02-13 08:21:55
ECM
DigitsB1Curves
2550000280 / 280
30250000122 / 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 KruseAB69E496279AF90F1013
Factored
PRP without proof (not generated)
2017-11-23storm5510AB69E496279AF90F119247213
Factored
Certified Good
2025-03-06feather38A5E3ABF24F0BD3219767453
History
DateUserTypeResult
2026-02-13TJAOIF-ECMFactor: 15926744978858564660842471 / ECM curve 12, B1=250000, B2=252249855, Edwards Sigma=7347187899386793
2025-03-06MariusCERT
Proof certified good
2025-03-06featherC-PRPM2316481/5877945447527/8659160117619732234223 : 38A5E3ABF24F0BD3
Proof Certified Good

Proof Power: 7

2025-03-06featherF-ECMFactor: 8659160117619732234223 / ECM curve 49, B1=80716, B2=25127190, Edwards Sigma=3478644330106939
2021-04-05ViliamFNF-PM1B1=5000000, B2=505000000
2018-02-26alpertronNF-PM1B1=500000, B2=15000000, E=12
2017-11-23storm5510C-PRPM2316481/5877945447527 : AB69E496279AF90F
2017-10-11Oliver KruseC-PRPM2316481/5877945447527 : AB69E496279AF90F