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
168043121No known factors, not tested for primality
TF
No factors below 278
TF target 278
P-1
B1 = 782000
B2 = 32915610
History
DateUserTypeResult
2024-09-20Ryan PropperNF-PM1
B1=782000, B2=32915610
2023-10-12Tucker KaoNF
no factor from 2^77 to 2^78
2023-07-08Tucker KaoNF
no factor from 2^76 to 2^77
2022-09-26Tucker KaoNF
no factor from 2^75 to 2^76
2022-09-26Tucker KaoNF
no factor from 2^74 to 2^75
2021-12-13SRBaseNF
no factor from 2^73 to 2^74
2018-10-09Choi4KANGNF
no factor from 2^72 to 2^73
2018-04-11David HruskaNF
no factor from 2^71 to 2^72
2018-02-20ZenghuiNF
no factor from 2^70 to 2^71
2018-02-09RobertNNF
no factor from 2^69 to 2^70
2017-04-27ANONYMOUSNF
no factor from 2^68 to 2^69
2016-03-31XZTNF
no factor from 2^67 to 2^68
2015-06-03SummyNF
no factor from 2^66 to 2^67
2013-03-22sasaki3NF
no factor from 2^65 to 2^66
2011-02-15opyrtNF
no factor from 2^64 to 2^65
2010-07-08EPFNF
no factor from 2^63 to 2^64