Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnDetails
2330203
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
23302031824.5old
25166192411031.22008-07-14 20:23:04
3130487918331238.22008-07-14 20:23:04
70896938919671342.72008-07-14 20:23:04
ECM
DigitsB1Curves
2550000280 / 280
30250000124 / 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 Kruse405BDDD9B111DF301013
Verified
PRP without proof (not generated)
2017-10-18Oliver Kruse09511C675EDFA9114174079053
Verified
PRP without proof (not generated)
2017-11-23storm551009511C675EDFA9114141092053
History
DateUserTypeResult
2021-04-20ViliamFNF-PM1B1=5000000, B2=500000000
2018-03-18alpertronNF-PM1B1=500000, B2=15000000, E=12
2017-11-23storm5510C-PRPM2330203/23302031/2516619241/313048791833/7089693891967 : 09511C675EDFA911
2017-10-18Oliver KruseC-PRPM2330203/23302031/2516619241/313048791833/7089693891967 : 09511C675EDFA911
2017-10-11Oliver KruseC-PRPM2330203/known_factors : 405BDDD9B111DF30
2008-07-14George WoltmanF-ECMFactor: 7089693891967
2008-07-14George WoltmanF-ECMFactor: 313048791833
2008-07-14George WoltmanF-ECMFactor: 2516619241