857 111 161 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

No known factors, not tested for primality

No factors below 2⁷⁶

TF target 2⁸⁵

History

Date	User	Type	Result
2025-02-25	NStorm	NF	no factor TF: 75-76
2024-06-19	SRBase	NF	no factor TF: 74-75
2022-12-11	SRBase	NF	no factor TF: 73-74
2021-06-12	SRBase	NF	no factor TF: 72-73
2020-10-13	SRBase	NF	no factor TF: 71-72
2019-03-16	srow7	NF	no factor TF: 70-71
2016-11-13	ramgeis	NF	no factor TF: 68-70
2015-09-02	sasaki	NF	no factor TF: 67-68
2011-11-24	Rob_Dee	NF	no factor TF: 66-67
2011-09-16	Rob_Dee	NF	no factor TF: 65-66
2010-04-07	Rob_Dee	NF	no factor TF: 64-65
2010-04-03	Architects Cubed	NF	no factor TF: 63-64

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