161 749 297 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 2⁷⁸

TF target 2⁷⁸

P-1

B1 =	1396000
B2 =	1496412060

History

Date	User	Type	Result
2025-09-20	Greg	NF	no factor TF: 76-78
2024-10-11	Luke Durant	NF-PM1	B1=1396000, B2=1496412060
2024-08-29	SRBase	NF	no factor TF: 75-76
2017-12-30	PED	NF	no factor TF: 74-75
2017-12-30	PED	NF	no factor TF: 73-74
2017-12-30	PED	NF	no factor TF: 72-73
2017-12-30	PED	NF	no factor TF: 71-72
2017-12-30	PED	NF	no factor TF: 70-71
2017-12-30	PED	NF	no factor TF: 69-70
2017-03-29	Mr-Plonk	NF	no factor TF: 68-69
2016-03-26	XZT	NF	no factor TF: 67-68
2015-05-08	Akatosh9	NF	no factor TF: 66-67
2013-02-27	OS1	NF	no factor TF: 65-66
2011-02-03	steinrar	NF	no factor TF: 64-65
2010-07-01	EPF	NF	no factor TF: 63-64