136 257 673 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 =	1109000
B2 =	1008431160

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-10-10	Luke Durant	D123B5293B4BAEB4	0	1	3

History

Date	User	Type	Result
2024-10-11	KIM	CERT	PRP Certification CERT proof power = 9 Proof certified good
2024-10-10	Luke Durant	C-PRP	D123B5293B4BAEB4 PRP proof power = 9 PRP: Verified Proof certified good
2024-09-10	Luke Durant	NF-PM1	B1=1109000, B2=1008431160
2024-06-25	Greg	NF	no factor from 2^68 to 2^72
2024-06-11	Brent Goebel	NF	no factor from 2^76 to 2^77
2024-05-20	Brent Goebel	NF	no factor from 2^75 to 2^76
2023-01-10	SRBase	NF	no factor from 2^74 to 2^75
2021-08-04	SRBase	NF	no factor from 2^73 to 2^74
2020-11-13	SRBase	NF	no factor from 2^72 to 2^73
2016-02-08	ssateneth	NF	no factor from 2^71 to 2^72
2016-02-08	ssateneth	NF	no factor from 2^70 to 2^71
2016-02-08	ssateneth	NF	no factor from 2^69 to 2^70
2016-02-08	ssateneth	NF	no factor from 2^68 to 2^69
2016-02-08	ssateneth	NF	no factor from 2^67 to 2^68
2015-01-29	Mucol	NF	no factor from 2^66 to 2^67
2012-11-08	nextPrime	NF	no factor from 2^65 to 2^66
2010-11-27	vapaddy	NF	no factor from 2^64 to 2^65
2010-06-09	sannerud.com	NF	no factor from 2^63 to 2^64