138 744 929 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 =	1160000
B2 =	1188831930

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2025-11-14	Argentium	63B8A046F18EEFB9	49398229	1	3

History

Date	User	Type	Result
2025-11-15	Diego Mourino Lopez	CERT	Proof certified good
2025-11-14	Argentium	C-PRP	Proof Certified Good Proof Power: 8
2024-09-21	Luke Durant	NF-PM1	B1=1160000, B2=1188831930
2024-08-02	Richard	NF	no factor TF: 76-77
2024-07-17	SRBase	NF	no factor TF: 75-76
2023-01-19	SRBase	NF	no factor TF: 74-75
2021-08-02	SRBase	NF	no factor TF: 73-74
2020-11-12	SRBase	NF	no factor TF: 72-73
2017-02-12	Vasily Voronin	NF	no factor TF: 71-72
2017-02-08	Xolotl	NF	no factor TF: 70-71
2017-02-07	proxy2222	NF	no factor TF: 69-70
2017-02-07	proxy2222	NF	no factor TF: 68-69
2016-03-02	dbaugh	NF	no factor TF: 67-68
2015-01-31	el grocco	NF	no factor TF: 66-67
2012-11-19	sannerud.com	NF	no factor TF: 65-66
2010-12-07	Richard	NF	no factor TF: 64-65
2010-06-12	carlos56	NF	no factor TF: 63-64