Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
108476227Factored
FactorDigitsBitsDate
207049221230459553193685623432994.12022-01-09 07:00:17
P-1 factors
DateFactorB1B2
2022-01-0920704922123045955319368562343913000913000
History
DateUserTypeResult
2022-01-09Ben DeloF-PM1
Factor: 20704922123045955319368562343 / (P-1, B1=913000)
2021-04-26TheJudgerNF
no factor from 2^75 to 2^76
2021-04-26TheJudgerNF
no factor from 2^74 to 2^75
2019-10-06Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-10-06Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2019-01-27Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2015-05-13Matthijs CosterNF
no factor from 2^70 to 2^71
2015-04-27roemer2201NF
no factor from 2^69 to 2^70
2015-04-03g0bNF
no factor from 2^68 to 2^69
2013-10-14ChrisS94NF
no factor from 2^67 to 2^68
2013-10-12Cow_tippingNF
no factor from 2^66 to 2^67
2012-05-21CorbyguyNF
no factor from 2^65 to 2^66
2010-09-10sasaki3NF
no factor from 2^64 to 2^65
2010-04-27sasaki3NF
no factor from 2^63 to 2^64