86 180 929 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 =	695000
B2 =	13552500

Status	Date	User	Residue	Shift	Type	Base
Verified	2018-07-18	ky0uraku	2311AB52927A151D	51359747	1	3
Verified	2025-01-22	GdS	2311AB52927A151D	0	1	3

History

Date	User	Type	Result
2025-01-22	reisf	CERT	PRP Certification CERT proof power = 10 Proof certified good
2025-01-22	GdS	C-PRP	2311AB52927A151D PRP proof power = 10 PRP: Verified Proof certified good
2018-07-18	ky0uraku	C-PRP	2311AB52927A151D PRP: Verified PRP without proof (not generated)
2018-02-21	bam	NF-PM1	B1=695000, B2=13552500, E=6
2018-01-19	ANONYMOUS	NF	no factor from 2^75 to 2^76
2017-12-15	Brian Beuning	NF	no factor from 2^74 to 2^75
2017-05-31	-Anonymous-	NF	no factor from 2^73 to 2^74
2017-04-04	Judge Hale	NF	no factor from 2^72 to 2^73
2017-04-04	Judge Hale	NF	no factor from 2^71 to 2^72
2013-11-15	PascalBieri	NF	no factor from 2^70 to 2^71
2013-03-08	-Anonymous-	NF	no factor from 2^69 to 2^70
2013-03-03	SMoffat	NF	no factor from 2^68 to 2^69
2013-03-02	SMoffat	NF	no factor from 2^67 to 2^68
2013-03-02	SMoffat	NF	no factor from 2^66 to 2^67
2011-03-04	Michael C	NF	no factor from 2^65 to 2^66
2010-11-20	Architects Cubed	NF	no factor from 2^64 to 2^65