115 916 737 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime

TF

No factors below 2⁷⁷

TF target 2⁷⁶

P-1

B1 =	780000
B2 =	473097240

Status	Date	User	Residue	Shift	Type	Base
Unverified (Reliable)	2022-10-05	Clogheen	2111353991982E__	74177428	1	3

History

Date	User	Type	Result
2024-08-19	mewturn	NF-PM1	B1=780000, B2=473097240
2023-01-31	La Güira	NF	no factor from 2^76 to 2^77
2022-10-05	Clogheen	C-PRP	2111353991982E__ PRP: Unverified (Reliable) PRP without proof (not generated)
2022-01-13	Clogheen	NF-PM1	B1=801000
2020-12-09	jwnutter	NF	no factor from 2^75 to 2^76
2020-12-09	jwnutter	NF	no factor from 2^74 to 2^75
2020-10-05	laxeye	NF	no factor from 2^73 to 2^74
2020-04-25	SRBase	NF	no factor from 2^72 to 2^73
2016-02-07	ssateneth	NF	no factor from 2^71 to 2^72
2015-12-07	-Anonymous-	NF	no factor from 2^70 to 2^71
2015-11-23	macpheeb	NF	no factor from 2^69 to 2^70
2015-11-17	-Anonymous-	NF	no factor from 2^68 to 2^69
2015-03-17	bunddog	NF	no factor from 2^67 to 2^68
2014-11-30	subgenius	NF	no factor from 2^66 to 2^67
2012-06-23	tsc	NF	no factor from 2^65 to 2^66
2010-10-09	Richard	NF	no factor from 2^64 to 2^65
2010-05-09	garo	NF	no factor from 2^63 to 2^64