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

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MnStatusDetails
118989193Factored
FactorDigitsBitsDate
12908174284087097451315372580.12023-01-25 23:20:20
P-1 factors
DateFactorB1B2
2023-01-251290817428408709745131537595000595000
History
DateUserTypeResult
2023-01-25ConductorF-PM1
Factor: 1290817428408709745131537 / (P-1, B1=595000)
2022-02-07laxeyeNF
no factor from 2^76 to 2^77
2021-06-16frederikhkNF
no factor from 2^75 to 2^76
2021-06-16frederikhkNF
no factor from 2^74 to 2^75
2019-05-15Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2018-09-23snme2pm1NF
no factor from 2^72 to 2^73
2015-04-26SMoffatNF
no factor from 2^71 to 2^72
2015-03-26snme2pm1NF
no factor from 2^70 to 2^71
2014-10-21snme2pm1NF
no factor from 2^69 to 2^70
2014-10-21snme2pm1NF
no factor from 2^68 to 2^69
2014-04-30snme2pm1NF
no factor from 2^66 to 2^68
2012-07-20sasaki3NF
no factor from 2^65 to 2^66
2010-10-15Mr-PlonkNF
no factor from 2^64 to 2^65
2010-05-14carlos56NF
no factor from 2^63 to 2^64