115 619 587 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 2⁷⁶

P-1

B1 =	511000
B2 =	13597000

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-01-09	Mirra	59AF26EDF6FF0705	53270486	1	3

History

Date	User	Type	Result
2024-01-09	mhoney	CERT	PRP Certification CERT proof power = 10 Proof certified good
2024-01-09	Mirra	C-PRP	59AF26EDF6FF0705 PRP proof power = 10 PRP: Verified Proof certified good
2022-05-28	Kevin Jaget	NF-PM1	B1=511000, B2=13597000, E=6
2022-04-18	TheJudger	NF	no factor from 2^76 to 2^77
2021-06-05	TheJudger	NF	no factor from 2^75 to 2^76
2020-10-30	hkt	NF	no factor from 2^74 to 2^75
2020-10-29	Johan Viljoen	NF	no factor from 2^73 to 2^74
2020-04-24	SRBase	NF	no factor from 2^72 to 2^73
2015-04-25	SRS Technology	NF	no factor from 2^71 to 2^72
2015-04-25	SRS Technology	NF	no factor from 2^70 to 2^71
2015-04-25	SRS Technology	NF	no factor from 2^69 to 2^70
2015-04-25	SRS Technology	NF	no factor from 2^68 to 2^69
2015-03-01	Smok_bmv	NF	no factor from 2^67 to 2^68
2014-11-28	Matt	NF	no factor from 2^66 to 2^67
2012-06-26	Richard	NF	no factor from 2^65 to 2^66
2010-10-06	sasaki3	NF	no factor from 2^64 to 2^65
2010-05-12	HBendtz	NF	no factor from 2^63 to 2^64