86 813 393 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 =	700000
B2 =	13125000

Status	Date	User	Residue	Shift	Type	Base
Verified	2019-09-15	ky0uraku	B3B08ABD9C8354D9	40032659	1	3
Verified	2025-02-19	GdS	B3B08ABD9C8354D9	0	1	3

History

Date	User	Type	Result
2025-02-19	TSRPrime	CERT	PRP Certification CERT proof power = 10 Proof certified good
2025-02-19	GdS	C-PRP	B3B08ABD9C8354D9 PRP proof power = 10 PRP: Verified Proof certified good
2019-09-15	ky0uraku	C-PRP	B3B08ABD9C8354D9 PRP: Verified PRP without proof (not generated)
2018-04-29	proxy2222	NF-PM1	B1=700000, B2=13125000
2018-02-03	Strolling Jellyfish	NF	no factor from 2^75 to 2^76
2018-01-30	Brian Beuning	NF	no factor from 2^74 to 2^75
2017-06-14	-Anonymous-	NF	no factor from 2^73 to 2^74
2013-11-21	processinfo	NF	no factor from 2^72 to 2^73
2013-11-21	processinfo	NF	no factor from 2^71 to 2^72
2013-11-21	processinfo	NF	no factor from 2^70 to 2^71
2013-08-23	Choi4KANG	NF	no factor from 2^69 to 2^70
2013-08-19	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
2013-01-31	LaurV	NF	no factor from 2^65 to 2^66
2010-11-23	Architects Cubed	NF	no factor from 2^64 to 2^65