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

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MnStatusDetails
145553249Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
8738417888782673980713912479.52024-10-13 05:16:53
P-1 factors
DateFactorB1B2
2024-10-1387384178887826739807139112680001439081490
History
DateUserTypeResult
2024-10-13Luke DurantF-PM1
Factor: 873841788878267398071391 / (P-1, B1=1268000, B2=1439081490)
2024-07-17SRBaseNF
no factor from 2^75 to 2^76
2023-01-28SRBaseNF
no factor from 2^74 to 2^75
2021-11-14SRBaseNF
no factor from 2^73 to 2^74
2020-10-25SRBaseNF
no factor from 2^72 to 2^73
2017-09-05arnaudNF
no factor from 2^71 to 2^72
2017-09-04EratosthenesNF
no factor from 2^70 to 2^71
2017-03-05La GüiraNF
no factor from 2^69 to 2^70
2017-03-05La GüiraNF
no factor from 2^68 to 2^69
2016-03-31DerekNF
no factor from 2^67 to 2^68
2015-03-04aurashiftNF
no factor from 2^66 to 2^67
2012-12-28RichardNF
no factor from 2^65 to 2^66
2010-12-27sasaki3NF
no factor from 2^64 to 2^65
2010-06-21RichardNF
no factor from 2^63 to 2^64