140 054 587 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 =	814000
B2 =	82801530

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=9	2025-03-31	ky0uraku	D4E2C3AF4E80B0C7	85653010	1	3

History

Date	User	Type	Result
2025-03-31	Tercariol, C. A. S.	CERT	Proof certified good
2025-03-31	ky0uraku	C-PRP	D4E2C3AF4E80B0C7 Proof Certified Good Proof Power: 9
2024-09-26	Ryan Propper	NF-PM1	B1=814000, B2=82801530
2024-08-21	Luke Durant	NF	no factor TF: 76-77
2023-09-01	tsc	NF	no factor TF: 75-76
2023-01-18	SRBase	NF	no factor TF: 74-75
2021-10-31	SRBase	NF	no factor TF: 73-74
2020-10-23	SRBase	NF	no factor TF: 72-73
2017-09-08	David Hruska	NF	no factor TF: 71-72
2017-08-08	David Hruska	NF	no factor TF: 70-71
2015-05-04	Judge Hale	NF	no factor TF: 69-70
2015-05-04	Judge Hale	NF	no factor TF: 68-69
2015-05-04	Judge Hale	NF	no factor TF: 67-68
2015-02-13	vwflat4	NF	no factor TF: 66-67
2012-11-30	Richard	NF	no factor TF: 65-66
2010-12-09	sannerud.com	NF	no factor TF: 64-65
2010-06-14	OS1	NF	no factor TF: 63-64