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

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MnStatusDetails
147513763Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19892597726396289100856332580.72024-09-06 18:43:48
P-1 factors
DateFactorB1B2
2024-09-06198925977263962891008563312450001028817900
History
DateUserTypeResult
2024-09-06Luke DurantF-PM1
Factor: 1989259772639628910085633 / (P-1, B1=1245000, B2=1028817900)
2024-07-27SRBaseNF
no factor from 2^75 to 2^76
2024-04-07James HeinrichNF
no factor from 2^70 to 2^73
2023-02-03SRBaseNF
no factor from 2^74 to 2^75
2021-11-12SRBaseNF
no factor from 2^73 to 2^74
2017-02-02SADMASTERNF
no factor from 2^72 to 2^73
2017-01-06SADMASTERNF
no factor from 2^71 to 2^72
2017-01-06SADMASTERNF
no factor from 2^70 to 2^71
2016-12-14AK76NF
no factor from 2^69 to 2^70
2016-12-14AK76NF
no factor from 2^68 to 2^69
2016-03-19DerekNF
no factor from 2^67 to 2^68
2015-03-09tscNF
no factor from 2^66 to 2^67
2013-01-01sasaki3NF
no factor from 2^65 to 2^66
2011-01-03AliNF
no factor from 2^64 to 2^65