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
168828523TF
No factors below 284
TF target 278
P-1
B1 = 2200000
B2 = 90000000
PRP
StatusDateUserResidueShiftTypeBase
Verified2021-12-25Tucker Kao56C58B1BCA0F41D86025290313
History
DateUserTypeResult
2022-01-05SRJ2877CERT
PRP Certification
CERT proof power = 8
Proof certified good
2021-12-25Tucker KaoC-PRP
56C58B1BCA0F41D8
PRP proof power = 8
PRP: Verified
Proof certified good
2021-12-24Tucker KaoNF
no factor from 2^83 to 2^84
2021-12-19Tucker KaoNF
no factor from 2^82 to 2^83
2021-12-16Tucker KaoNF
no factor from 2^81 to 2^82
2021-12-13Tucker KaoNF
no factor from 2^80 to 2^81
2021-12-12Tucker KaoNF
no factor from 2^79 to 2^80
2021-12-11Tucker KaoNF
no factor from 2^78 to 2^79
2021-11-30Tucker KaoNF
no factor from 2^77 to 2^78
2021-11-29Tucker KaoNF-PM1
B1=2200000, B2=90000000
2021-11-25Tucker KaoNF
no factor from 2^76 to 2^77
2018-02-27Oliver KruseNF
no factor from 2^70 to 2^76
2015-06-04La GüiraNF
no factor from 2^69 to 2^70
2015-06-04La GüiraNF
no factor from 2^68 to 2^69
2015-06-04La GüiraNF
no factor from 2^66 to 2^68
2013-03-24KayJongsmaNF
no factor from 2^65 to 2^66
2011-02-18Mr-PlonkNF
no factor from 2^64 to 2^65
2010-07-08sasaki3NF
no factor from 2^63 to 2^64