138 968 399 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

No known factors, not tested for primality

TF

No factors below 2⁷⁷

TF target 2⁷⁷

P-1

B1 =	682000
B2 =	31914750

History

Date	User	Type	Result
2024-09-23	Ryan Propper	NF-PM1	B1=682000, B2=31914750
2024-08-08	Luke Durant	NF	no factor from 2^76 to 2^77
2024-07-15	SRBase	NF	no factor from 2^75 to 2^76
2023-01-15	SRBase	NF	no factor from 2^74 to 2^75
2021-08-09	SRBase	NF	no factor from 2^73 to 2^74
2020-10-25	SRBase	NF	no factor from 2^72 to 2^73
2017-03-20	workerthread	NF	no factor from 2^71 to 2^72
2017-01-03	proxy2222	NF	no factor from 2^70 to 2^71
2017-01-03	proxy2222	NF	no factor from 2^69 to 2^70
2017-01-03	proxy2222	NF	no factor from 2^68 to 2^69
2016-03-10	dbaugh	NF	no factor from 2^67 to 2^68
2015-01-31	el grocco	NF	no factor from 2^66 to 2^67
2012-11-20	sasaki3	NF	no factor from 2^65 to 2^66
2010-12-05	jxta	NF	no factor from 2^64 to 2^65
2010-06-13	charger	NF	no factor from 2^63 to 2^64