126 563 081 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with PRP test

TF

No factors below 2⁷⁷

TF target 2⁷⁷

P-1

B1 =	1105000
B2 =	1515668700

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-08-01	Luke Durant	77A6A4A2A4F7782A	0	1	3

History

Date	User	Type	Result
2024-08-01	Luke Durant	CERT	PRP Certification CERT proof power = 8 Proof certified good
2024-08-01	Luke Durant	C-PRP	77A6A4A2A4F7782A PRP proof power = 8 PRP: Verified Proof certified good
2024-07-10	Luke Durant	NF-PM1	B1=1105000, B2=1515668700
2022-07-31	TheJudger	NF	no factor from 2^76 to 2^77
2022-07-31	TheJudger	NF	no factor from 2^75 to 2^76
2022-07-31	TheJudger	NF	no factor from 2^74 to 2^75
2021-07-13	SRBase	NF	no factor from 2^73 to 2^74
2020-10-22	SRBase	NF	no factor from 2^72 to 2^73
2015-10-24	workerthread	NF	no factor from 2^71 to 2^72
2015-10-19	Summy	NF	no factor from 2^70 to 2^71
2015-10-13	SourceBinary.com	NF	no factor from 2^69 to 2^70
2015-08-11	Judge Hale	NF	no factor from 2^68 to 2^69
2015-08-10	Judge Hale	NF	no factor from 2^67 to 2^68
2015-01-02	Melvin Smith - Gyrasoft	NF	no factor from 2^66 to 2^67
2012-09-18	lindee	NF	no factor from 2^65 to 2^66
2010-11-03	sasaki3	NF	no factor from 2^64 to 2^65
2010-05-26	-Anonymous-	NF	no factor from 2^63 to 2^64