130 128 533 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 =	873000
B2 =	186082890

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-09-02	Luke Durant	FD531E5D02CD8AB2	0	1	3

History

Date	User	Type	Result
2024-09-02	Chuck	CERT	PRP Certification CERT proof power = 9 Proof certified good
2024-09-02	Luke Durant	C-PRP	FD531E5D02CD8AB2 PRP proof power = 9 PRP: Verified Proof certified good
2024-08-10	David Hruska	NF-PM1	B1=873000, B2=186082890
2023-05-07	Brent Goebel	NF	no factor from 2^76 to 2^77
2023-04-26	Brent Goebel	NF	no factor from 2^75 to 2^76
2022-11-21	ViliamF	NF	no factor from 2^74 to 2^75
2021-07-25	SRBase	NF	no factor from 2^73 to 2^74
2020-10-22	SRBase	NF	no factor from 2^72 to 2^73
2016-06-09	Derek	NF	no factor from 2^71 to 2^72
2016-06-09	proxy2222	NF	no factor from 2^70 to 2^71
2016-06-09	proxy2222	NF	no factor from 2^69 to 2^70
2016-06-09	proxy2222	NF	no factor from 2^68 to 2^69
2016-06-09	proxy2222	NF	no factor from 2^67 to 2^68
2015-01-16	goose	NF	no factor from 2^66 to 2^67
2012-10-09	Andrew B	NF	no factor from 2^65 to 2^66
2010-11-13	Richard	NF	no factor from 2^64 to 2^65
2010-05-31	WPS	NF	no factor from 2^63 to 2^64