124 167 583 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 =	941000
B2 =	427051170

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-07-09	Luke Durant	75A6C18E55B5A433	0	1	3

History

Date	User	Type	Result
2024-07-09	Luke Durant	CERT	PRP Certification CERT proof power = 9 Proof certified good
2024-07-09	Luke Durant	C-PRP	75A6C18E55B5A433 PRP proof power = 9 PRP: Verified Proof certified good
2024-06-05	ScottieMckinley	NF-PM1	B1=941000, B2=427051170
2022-07-03	TheJudger	NF	no factor from 2^76 to 2^77
2022-07-03	TheJudger	NF	no factor from 2^75 to 2^76
2022-06-09	LaurV	NF	no factor from 2^74 to 2^75
2021-07-06	SRBase	NF	no factor from 2^73 to 2^74
2020-10-23	SRBase	NF	no factor from 2^72 to 2^73
2015-09-13	workerthread	NF	no factor from 2^71 to 2^72
2015-09-07	SMoffat	NF	no factor from 2^70 to 2^71
2015-06-23	Judge Hale	NF	no factor from 2^69 to 2^70
2015-06-23	Judge Hale	NF	no factor from 2^68 to 2^69
2015-06-23	Judge Hale	NF	no factor from 2^67 to 2^68
2014-12-19	vwflat4	NF	no factor from 2^66 to 2^67
2012-09-02	oodaira	NF	no factor from 2^65 to 2^66
2010-10-28	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-05-31	Richard	NF	no factor from 2^63 to 2^64