82 908 461 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 =	710000
B2 =	14555000

Status	Date	User	Residue	Shift
Unverified	2019-01-04	Andrew_and	03590B14D44EAF__	25142705

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-10-15	Luke Durant	1104A07A0B27D76A	0	1	3

History

Date	User	Type	Result
2024-10-15	Luke Durant	CERT	PRP Certification CERT proof power = 9 Proof certified good
2024-10-15	Luke Durant	C-PRP	1104A07A0B27D76A PRP proof power = 9 PRP: Verified Proof certified good
2019-05-02	Niels_Mache_Nextcloud	NF	no factor from 2^75 to 2^76
2019-01-04	Andrew_and	C-LL	03590B14D44EAF__
2016-12-12	TheJudger	NF-PM1	B1=710000, B2=14555000, E=12
2016-12-07	-Anonymous-	NF	no factor from 2^74 to 2^75
2016-12-07	-Anonymous-	NF	no factor from 2^73 to 2^74
2016-12-07	-Anonymous-	NF	no factor from 2^72 to 2^73
2016-12-07	-Anonymous-	NF	no factor from 2^71 to 2^72
2013-11-04	pussijussi	NF	no factor from 2^70 to 2^71
2013-02-10	SMoffat	NF	no factor from 2^69 to 2^70
2013-02-10	SMoffat	NF	no factor from 2^68 to 2^69
2013-02-09	SMoffat	NF	no factor from 2^67 to 2^68
2013-02-08	SMoffat	NF	no factor from 2^66 to 2^67
2011-03-28	-Anonymous-	NF	no factor from 2^65 to 2^66
2010-12-18	Architects Cubed	NF	no factor from 2^64 to 2^65