137 600 987 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 =	1182000
B2 =	1466408790

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=9	2025-03-29	Mirra	283E4907CFC89B4A	0	1	3

History

Date	User	Type	Result
2025-03-29	stenlei	CERT	Proof certified good
2025-03-29	Mirra	C-PRP	283E4907CFC89B4A Proof Certified Good Proof Power: 9
2024-09-17	Luke Durant	NF-PM1	B1=1182000, B2=1466408790
2024-07-21	tbusby	NF	no factor TF: 76-77
2024-07-17	SRBase	NF	no factor TF: 75-76
2023-01-12	SRBase	NF	no factor TF: 74-75
2016-04-03	taffa	NF	no factor TF: 73-74
2016-04-03	taffa	NF	no factor TF: 72-73
2016-04-03	taffa	NF	no factor TF: 71-72
2016-04-03	taffa	NF	no factor TF: 70-71
2016-04-03	taffa	NF	no factor TF: 69-70
2016-03-31	dbaugh	NF	no factor TF: 68-69
2016-02-27	dbaugh	NF	no factor TF: 67-68
2015-02-04	vwflat4	NF	no factor TF: 66-67
2012-11-13	tsc	NF	no factor TF: 65-66
2010-12-01	Torchwood Institute	NF	no factor TF: 64-65
2010-06-11	WPS	NF	no factor TF: 63-64