124 743 763 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 =	750000
B2 =	98573580

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-07-14	Luke Durant	5C366162B35D6EF1	0	1	3

History

Date	User	Type	Result
2024-07-14	Joe S.	CERT	PRP Certification CERT proof power = 9 Proof certified good
2024-07-14	Luke Durant	C-PRP	5C366162B35D6EF1 PRP proof power = 9 PRP: Verified Proof certified good
2024-06-21	Mark Rose	NF-PM1	B1=750000, B2=98573580
2024-05-10	Naegi Makoto	NF	no factor from 2^70 to 2^71
2022-07-08	TheJudger	NF	no factor from 2^76 to 2^77
2022-07-08	TheJudger	NF	no factor from 2^75 to 2^76
2022-07-08	TheJudger	NF	no factor from 2^74 to 2^75
2021-07-08	SRBase	NF	no factor from 2^73 to 2^74
2020-09-29	tsc	NF	no factor from 2^72 to 2^73
2015-10-12	-Anonymous-	NF	no factor from 2^71 to 2^72
2015-10-10	Josh Famestad	NF	no factor from 2^70 to 2^71
2015-06-30	Judge Hale	NF	no factor from 2^69 to 2^70
2015-06-30	Judge Hale	NF	no factor from 2^68 to 2^69
2015-06-30	Judge Hale	NF	no factor from 2^67 to 2^68
2014-12-24	ANONYMOUS	NF	no factor from 2^66 to 2^67
2012-09-06	GunnarLu	NF	no factor from 2^65 to 2^66
2010-10-29	-Anonymous-	NF	no factor from 2^64 to 2^65
2010-05-23	subgenius	NF	no factor from 2^63 to 2^64