84 597 413 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 =	675000
B2 =	13331250

Status	Date	User	Residue	Shift	Type	Base
Verified	2019-04-15	ky0uraku	1831F012774B3B0F	25263755	1	3
Verified	2021-05-08	Zenzoma	1831F012774B3B0F	0	1	3

History

Date	User	Type	Result
2021-05-08	curtisc	CERT	PRP Certification CERT proof power = 8 Proof certified good
2021-05-08	Zenzoma	C-PRP	1831F012774B3B0F PRP proof power = 8 PRP: Verified Proof certified good
2019-04-15	ky0uraku	C-PRP	1831F012774B3B0F PRP: Verified PRP without proof (not generated)
2017-11-19	TheJudger	NF-PM1	B1=675000, B2=13331250, E=12
2017-05-07	TheJudger	NF	no factor from 2^75 to 2^76
2017-05-07	TheJudger	NF	no factor from 2^74 to 2^75
2017-02-10	-Anonymous-	NF	no factor from 2^73 to 2^74
2017-02-10	-Anonymous-	NF	no factor from 2^72 to 2^73
2017-02-10	-Anonymous-	NF	no factor from 2^71 to 2^72
2014-04-11	svistak	NF	no factor from 2^70 to 2^71
2014-01-13	gin	NF	no factor from 2^69 to 2^70
2013-02-23	timc995	NF	no factor from 2^68 to 2^69
2013-02-22	timc995	NF	no factor from 2^67 to 2^68
2013-02-20	Jonathan010	NF	no factor from 2^66 to 2^67
2012-08-15	Carsten Kossendey	NF	no factor from 2^65 to 2^66
2010-12-07	Architects Cubed	NF	no factor from 2^64 to 2^65