148 697 167 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 =	1341000
B2 =	1840792800

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-09-05	curtisc	9C73041EF6771BDE	76629497	1	3

History

Date	User	Type	Result
2025-04-23	ihnl	NF	no factor from 2^76 to 2^77
2024-09-07	MooMoo2	NF	no factor from 2^75 to 2^76
2024-09-05	CaigeComstock	CERT	PRP Certification CERT proof power = 8 Proof certified good
2024-09-05	curtisc	C-PRP	9C73041EF6771BDE PRP proof power = 8 PRP: Verified Proof certified good
2024-07-10	Luke Durant	NF-PM1	B1=1341000, B2=1840792800
2024-04-07	James Heinrich	NF	no factor from 2^72 to 2^73
2023-02-03	SRBase	NF	no factor from 2^74 to 2^75
2021-11-14	SRBase	NF	no factor from 2^73 to 2^74
2016-12-08	SADMASTER	NF	no factor from 2^72 to 2^73
2016-12-08	arnaud	NF	no factor from 2^71 to 2^72
2016-12-07	guru	NF	no factor from 2^70 to 2^71
2016-12-07	guru	NF	no factor from 2^69 to 2^70
2016-12-07	guru	NF	no factor from 2^68 to 2^69
2016-04-03	Derek	NF	no factor from 2^67 to 2^68
2015-03-12	karhu	NF	no factor from 2^66 to 2^67
2013-01-06	Mr-Plonk	NF	no factor from 2^65 to 2^66
2011-01-09	Richard	NF	no factor from 2^64 to 2^65