84 877 759 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 =	680000
B2 =	13260000

Status	Date	User	Residue	Shift	Type	Base
Verified	2018-04-01	ky0uraku	C5E0E23CB499483F	437552	1	3
Verified	2021-01-11	ATH	C5E0E23CB499483F	0	1	3

History

Date	User	Type	Result
2021-01-11	ATH	C-PRP	C5E0E23CB499483F PRP: Verified PRP without proof (not generated)
2018-04-01	ky0uraku	C-PRP	C5E0E23CB499483F PRP: Verified PRP without proof (not generated)
2017-12-22	mgpainter	NF-PM1	B1=680000, B2=13260000, E=12
2017-07-06	RichD0	NF	no factor from 2^75 to 2^76
2017-06-25	Brian Beuning	NF	no factor from 2^74 to 2^75
2017-05-14	-Anonymous-	NF	no factor from 2^73 to 2^74
2017-02-15	Judge Hale	NF	no factor from 2^72 to 2^73
2017-02-15	Judge Hale	NF	no factor from 2^71 to 2^72
2014-11-25	wombatman	NF	no factor from 2^70 to 2^71
2014-02-07	dufrenbk	NF	no factor from 2^69 to 2^70
2014-01-01	fireredd	NF	no factor from 2^68 to 2^69
2013-02-22	Smok_bmv	NF	no factor from 2^67 to 2^68
2013-02-22	Smok_bmv	NF	no factor from 2^66 to 2^67
2012-08-06	Carsten Kossendey	NF	no factor from 2^65 to 2^66
2010-12-24	Architects Cubed	NF	no factor from 2^64 to 2^65