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

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MnStatusDetails
113731487Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
41829797377445391456853651523998333108.42022-03-19 10:49:09
P-1 factors
DateFactorB1B2
2022-03-1941829797377445391456853651523998340000004000000
History
DateUserTypeResult
2022-03-19Paul UnderwoodF-PM1
Factor: 418297973774453914568536515239983 / (P-1, B1=4000000)
2021-04-19arpcarNF
no factor from 2^77 to 2^78
2021-03-31arpcarNF
no factor from 2^76 to 2^77
2021-03-14ZenzomaNF
no factor from 2^75 to 2^76
2021-03-13yoyorocks1NF
no factor from 2^74 to 2^75
2020-07-29Daniil TsarkovNF
no factor from 2^73 to 2^74
2020-04-22SRBaseNF
no factor from 2^72 to 2^73
2018-12-25Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2015-03-18TBM PrimeNF
no factor from 2^70 to 2^71
2015-03-13arnaudNF
no factor from 2^69 to 2^70
2015-02-26pussijussiNF
no factor from 2^68 to 2^69
2015-02-23g0bNF
no factor from 2^67 to 2^68
2014-11-18GrunwalderGIMPNF
no factor from 2^66 to 2^67
2012-06-12carlos56NF
no factor from 2^65 to 2^66
2010-09-30oodairaNF
no factor from 2^64 to 2^65
2010-06-271997rj7NF
no factor from 2^63 to 2^64