80 317 273 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 2⁷⁵

TF target 2⁷⁵

P-1

B1 =	680000
B2 =	13430000

Status	Date	User	Residue	Shift	Type	Base
Verified	2018-06-19	ky0uraku	AD2B2E6830E9EA36	39961468	1	3
Verified	2019-08-26	tottenhoff	AD2B2E6830E9EA36	72249872	1	3

History

Date	User	Type	Result
2019-08-26	tottenhoff	C-PRP	AD2B2E6830E9EA36 PRP: Verified PRP without proof (not generated)
2018-06-19	ky0uraku	C-PRP	AD2B2E6830E9EA36 PRP: Verified PRP without proof (not generated)
2017-01-10	mgpainter	NF-PM1	B1=680000, B2=13430000, E=6
2016-10-14	AirSquirrels	NF	no factor from 2^74 to 2^75
2016-10-14	AirSquirrels	NF	no factor from 2^73 to 2^74
2016-02-18	garo	NF	no factor from 2^72 to 2^73
2016-02-18	garo	NF	no factor from 2^71 to 2^72
2013-10-28	SMoffat	NF	no factor from 2^70 to 2^71
2013-08-15	sannerud.com	NF	no factor from 2^69 to 2^70
2013-06-12	Manpowre	NF	no factor from 2^68 to 2^69
2013-06-08	Manpowre	NF	no factor from 2^67 to 2^68
2013-01-26	phoenicis	NF	no factor from 2^66 to 2^67
2011-04-12	-Anonymous-	NF	no factor from 2^65 to 2^66
2010-12-08	Architects Cubed	NF	no factor from 2^64 to 2^65