137 497 849 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with PRP test

No factors below 2⁷⁷

TF target 2⁷⁷

P-1

B1 =	676000
B2 =	31393950

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=9	2025-03-08	Mirra	3F441CEBFB01C81A	0	1	3

History

Date	User	Type	Result
2025-03-08	permle	CERT	Proof certified good
2025-03-08	Mirra	C-PRP	3F441CEBFB01C81A Proof Certified Good Proof Power: 9
2024-09-17	Ryan Propper	NF-PM1	B1=676000, B2=31393950
2024-07-19	ANONYMOUS	NF	no factor TF: 76-77
2024-06-18	JacobZ	NF	no factor TF: 75-76
2023-01-16	SRBase	NF	no factor TF: 74-75
2016-02-20	taffa	NF	no factor TF: 73-74
2016-02-20	taffa	NF	no factor TF: 72-73
2016-02-20	taffa	NF	no factor TF: 71-72
2016-02-19	dbaugh	NF	no factor TF: 70-71
2015-01-03	La Güira	NF	no factor TF: 69-70
2015-01-03	La Güira	NF	no factor TF: 68-69
2010-12-03	Michael C	NF	no factor TF: 64-68
2010-06-15	Richard	NF	no factor TF: 63-64