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

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MnStatusDetails
105906949Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime
TF
No factors below 277
TF target 276
P-1
B1 = 1000000
B2 = 30000000
PRP
StatusDateUserResidueShiftTypeBase
Unverified (Reliable)2020-06-07Valerio Bellizzomi1744F4194CC96D__013
History
DateUserTypeResult
2020-06-07Valerio BellizzomiC-PRP
1744F4194CC96D__
PRP: Unverified (Reliable)
PRP without proof (not generated)
2020-06-06Valerio BellizzomiNF-PM1
B1=1000000, B2=30000000
2020-05-03TheJudgerNF
no factor from 2^76 to 2^77
2020-05-03TheJudgerNF
no factor from 2^75 to 2^76
2020-02-27LaurVNF
no factor from 2^74 to 2^75
2020-02-23Hans LoeblichNF
no factor from 2^73 to 2^74
2020-02-19el groccoNF
no factor from 2^72 to 2^73
2015-02-04Preben SNF
no factor from 2^71 to 2^72
2013-09-24SMoffatNF
no factor from 2^70 to 2^71
2013-09-17SMoffatNF
no factor from 2^69 to 2^70
2013-09-13SMoffatNF
no factor from 2^68 to 2^69
2013-09-08SMoffatNF
no factor from 2^67 to 2^68
2013-09-05Cow_tippingNF
no factor from 2^66 to 2^67
2012-05-14omiXorpNF
no factor from 2^65 to 2^66
2010-09-02sasaki3NF
no factor from 2^64 to 2^65
2010-04-21lindedNF
no factor from 2^63 to 2^64