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

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MnDetails
1489
Composite, with 7 known prime factors. Cofactor is PRP (Probable-Prime).
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
71473516.1old
272017399191134.7old
510289174646881671755.5old
138228440535703689832063.6old
12216326611290008113830932383500606327726776489587151166.4old
9590951829577537416632129269700068589515050335747712753176.02017-09-11 17:38:10
43076812087757198335826333945036844303813499581887822927859160198.12020-12-17 01:12:24
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
No proof (small exponent)
2017-09-20kkmrkkblmbrbk9C58F9BA4C7141CD6013
Factored
No proof (small exponent)
2017-09-25George Woltman9C58F9BA4C7141CD6013
Factored
No proof (small exponent)
2017-09-26George Woltman9C58F9BA4C7141CD6103313
Factored
No proof (small exponent)
2020-04-17Oliver KruseCFCAE00D943B70656115653
Factored
No proof (small exponent)
2020-08-12_p95holder_CFCAE00D943B706561853
Verified
No proof (small exponent)
2020-12-17nordiPRP_PRP_PRP_PRP_79013
Verified
No proof (small exponent)
2020-12-17mikrPRP_PRP_PRP_PRP_790613
History
DateUserTypeResult
2020-12-17mikrP-PRPM1489/71473/27201739919/51028917464688167/13822844053570368983/122163266112900081138309323835006063277267764895871/95909518295775374166321292697000685895150503357477127/430768120877571983358263339450368443038134995818878229278591
PRP Cofactor
2020-12-17nordiP-PRPM1489/430768120877571983358263339450368443038134995818878229278591/95909518295775374166321292697000685895150503357477127/122163266112900081138309323835006063277267764895871/71473/27201739919/51028917464688167/13822844053570368983
PRP Cofactor
2020-12-17nordiF-ECMFactor: 430768120877571983358263339450368443038134995818878229278591
2020-08-12_p95holder_C-PRPM1489/71473/27201739919/51028917464688167/13822844053570368983/122163266112900081138309323835006063277267764895871/95909518295775374166321292697000685895150503357477127 : CFCAE00D943B7065
2020-04-17Oliver KruseC-PRPM1489/71473/27201739919/51028917464688167/13822844053570368983/122163266112900081138309323835006063277267764895871/95909518295775374166321292697000685895150503357477127 : CFCAE00D943B7065
2017-09-26George WoltmanC-PRPM1489/71473/27201739919/51028917464688167/13822844053570368983/122163266112900081138309323835006063277267764895871/95909518295775374166321292697000685895150503357477127 : 9C58F9BA4C7141CD
2017-09-25George WoltmanC-PRPM1489/known_factors : 9C58F9BA4C7141CD
2017-09-20kkmrkkblmbrbkC-PRPM1489/71473/27201739919/51028917464688167/13822844053570368983/122163266112900081138309323835006063277267764895871/95909518295775374166321292697000685895150503357477127 : 9C58F9BA4C7141CD
2017-09-11Ryan PropperF-ECMFactor: 95909518295775374166321292697000685895150503357477127
2016-09-07kkmrkkblmbrbkNF-PM1B1=1000000000, B2=100000000000, E=12