133 373 879 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 =	1066000
B2 =	770383350

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-09-26	Luke Durant	28A5C66DD7A781AF	0	1	3

History

Date	User	Type	Result
2024-09-27	Luke Durant	CERT	PRP Certification CERT proof power = 8 Proof certified good
2024-09-26	Luke Durant	C-PRP	28A5C66DD7A781AF PRP proof power = 8 PRP: Verified Proof certified good
2024-08-28	Luke Durant	NF-PM1	B1=1066000, B2=770383350
2023-10-02	ANONYMOUS	NF	no factor from 2^76 to 2^77
2023-08-31	rushyn	NF	no factor from 2^75 to 2^76
2022-12-30	SRBase	NF	no factor from 2^74 to 2^75
2021-07-23	SRBase	NF	no factor from 2^73 to 2^74
2020-10-22	SRBase	NF	no factor from 2^72 to 2^73
2016-01-30	SourceBinary.com	NF	no factor from 2^71 to 2^72
2016-01-27	guru	NF	no factor from 2^70 to 2^71
2016-01-27	guru	NF	no factor from 2^69 to 2^70
2016-01-27	guru	NF	no factor from 2^68 to 2^69
2016-01-21	Andreas_Truetsch	NF	no factor from 2^67 to 2^68
2015-02-13	Richard	NF	no factor from 2^66 to 2^67
2012-10-21	tsc	NF	no factor from 2^65 to 2^66
2010-11-19	Martti Järvi	NF	no factor from 2^64 to 2^65
2010-06-05	subgenius	NF	no factor from 2^63 to 2^64