149 845 417 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 2⁷⁷

P-1

B1 =	1352000
B2 =	1798473600

History

Date	User	Type	Result
2025-09-17	Grant McCracken	NF	no factor TF: 77-78
2025-02-27	JacobZ	NF	no factor TF: 76-77
2024-09-11	Gnarwhals	NF	no factor TF: 75-76
2024-07-11	Luke Durant	NF-PM1	B1=1352000, B2=1798473600
2023-02-03	SRBase	NF	no factor TF: 74-75
2021-11-12	SRBase	NF	no factor TF: 73-74
2016-08-02	PascalBieri	NF	no factor TF: 72-73
2016-07-15	PascalBieri	NF	no factor TF: 71-72
2016-07-09	Derek	NF	no factor TF: 70-71
2016-07-08	La Güira	NF	no factor TF: 69-70
2016-07-08	La Güira	NF	no factor TF: 68-69
2016-03-27	Derek	NF	no factor TF: 67-68
2015-03-21	Numberwang	NF	no factor TF: 66-67
2013-01-16	GrunwalderGIMP	NF	no factor TF: 65-66
2011-01-10	Damian Silvestre	NF	no factor TF: 64-65