79 234 439 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 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	670000
B2 =	13567500

Status	Date	User	Residue	Shift
Unverified	2018-05-05	electron1897	65589B8DFCE1F2__	24425834

Status	Date	User	Residue	Shift	Type	Base
Verified	2025-09-13	Kamil Gorski	F1C85AE093D0DE11	0	1	3

History

Date	User	Type	Result
2025-09-13	Fabrice Bellet	CERT	PRP Certification CERT proof power = 9 Proof certified good
2025-09-13	Kamil Gorski	C-PRP	F1C85AE093D0DE11 PRP proof power = 9 PRP: Verified Proof certified good
2025-08-02	ElectricBill	NF	no factor from 2^75 to 2^76
2018-05-05	electron1897	C-LL	65589B8DFCE1F2__
2016-08-09	bam	NF-PM1	B1=670000, B2=13567500, E=12
2016-07-22	AirSquirrels	NF	no factor from 2^74 to 2^75
2016-05-20	Sid & Andy	NF	no factor from 2^73 to 2^74
2016-05-20	Sid & Andy	NF	no factor from 2^72 to 2^73
2016-04-05	Mark Rose	NF	no factor from 2^64 to 2^65
2016-04-04	Mark Rose	NF	no factor from 2^63 to 2^64
2016-02-20	RichD0	NF	no factor from 2^71 to 2^72
2013-01-23	phoenicis	NF	no factor from 2^70 to 2^71
2011-01-31	dsl	NF	no factor from 2^69 to 2^70
2011-01-29	oilwarzonedotcom	NF	no factor from 2^68 to 2^69
2011-01-25	OS1	NF	no factor from 2^67 to 2^68
2011-01-20	sannerud.com	NF	no factor from 2^66 to 2^67
2010-11-19	Gymnasium_Raubling	NF	no factor from 2^65 to 2^66