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

PrimeNet Exponent Status

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MnStatusDetails
111984449Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime
TF
No factors below 276
TF target 276
P-1
B1 = 928000
B2 = 618140250
PRP
StatusDateUserResidueShiftTypeBase
Unverified (Reliable)2021-02-15Jim Donovan8D1A5C3BE5E7E5__10576192213
History
DateUserTypeResult
2024-10-10mewturnNF-PM1
B1=928000, B2=618140250
2021-02-15Jim DonovanC-PRP
8D1A5C3BE5E7E5__
PRP: Unverified (Reliable)
PRP without proof (not generated)
2020-10-01Jim DonovanNF-PM1
B1=1160000
2020-09-15ktonyNF
no factor from 2^75 to 2^76
2020-09-15LOBESNF
no factor from 2^74 to 2^75
2020-05-25GROBERTSNF
no factor from 2^73 to 2^74
2020-04-20SRBaseNF
no factor from 2^72 to 2^73
2019-01-06Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2014-11-08shaugeNF
no factor from 2^70 to 2^71
2014-11-08shaugeNF
no factor from 2^69 to 2^70
2014-11-08shaugeNF
no factor from 2^68 to 2^69
2013-11-16SMoffatNF
no factor from 2^67 to 2^68
2013-10-12Cow_tippingNF
no factor from 2^66 to 2^67
2012-05-31omiXorpNF
no factor from 2^65 to 2^66
2010-09-25RichardNF
no factor from 2^64 to 2^65
2010-05-07RichardNF
no factor from 2^63 to 2^64