187 407 757 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

No known factors, not tested for primality

TF

No factors below 2⁷⁶

TF target 2⁷⁸

P-1

B1 =	1642000
B2 =	1753700760

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2024-10-10	ANONYMOUS	PRP test	PRP	0.02 %	2024-10-11

History

Date	User	Type	Result
2025-04-07	Jurzal	NF	no factor from 2^75 to 2^76
2024-10-07	Luke Durant	NF-PM1	B1=1642000, B2=1753700760
2023-04-12	SRBase	NF	no factor from 2^74 to 2^75
2019-06-19	hkt	NF	no factor from 2^73 to 2^74
2019-06-19	hkt	NF	no factor from 2^72 to 2^73
2019-06-19	hkt	NF	no factor from 2^71 to 2^72
2018-12-08	Torikova_Svetlana	NF	no factor from 2^70 to 2^71
2018-11-01	seva	NF	no factor from 2^69 to 2^70
2017-07-12	OS1	NF	no factor from 2^68 to 2^69
2016-07-25	netsurfer	NF	no factor from 2^67 to 2^68
2015-08-19	Robert Folz	NF	no factor from 2^66 to 2^67
2013-05-25	Mr-Plonk	NF	no factor from 2^65 to 2^66
2011-04-06	Richard	NF	no factor from 2^64 to 2^65
2010-08-03	Richard	NF	no factor from 2^63 to 2^64