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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
112205987Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 276
P-1
B1 = 512000
B2 = 19314000
PRP
StatusDateUserResidueShiftTypeBase
Verified2023-02-27ky0uraku9DE17A4CA2BEA1721399740013
History
DateUserTypeResult
2023-02-28wknight94CERT
PRP Certification
CERT proof power = 9
Proof certified good
2023-02-27ky0urakuC-PRP
9DE17A4CA2BEA172
PRP proof power = 9
PRP: Verified
Proof certified good
2022-04-21Ryan PropperNF-PM1
B1=512000, B2=19314000
2021-01-06arpcarNF
no factor from 2^76 to 2^77
2020-12-04arpcarNF
no factor from 2^75 to 2^76
2020-11-29TheGazManNF
no factor from 2^74 to 2^75
2020-07-03RNutterNF
no factor from 2^73 to 2^74
2020-04-20SRBaseNF
no factor from 2^72 to 2^73
2019-01-05Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2014-11-22AK76NF
no factor from 2^70 to 2^71
2014-11-22AK76NF
no factor from 2^69 to 2^70
2013-11-16SMoffatNF
no factor from 2^68 to 2^69
2013-10-12Cow_tippingNF
no factor from 2^67 to 2^68
2013-10-05dufrenbkNF
no factor from 2^66 to 2^67
2012-05-31omiXorpNF
no factor from 2^65 to 2^66
2010-09-26RichardNF
no factor from 2^64 to 2^65
2010-05-08-Anonymous-NF
no factor from 2^63 to 2^64