82 334 947 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 Lucas-Lehmer test

TF

No factors below 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	725000
B2 =	14137500

Status	Date	User	Residue	Shift
Verified	2018-07-20	-Anonymous-	6A459F8FD04A3248	78114292
Verified	2025-09-16	Andrew Bak	6A459F8FD04A3248	63829040

History

Date	User	Type	Result
2025-09-16	Andrew Bak	C-LL	6A459F8FD04A3248
2025-09-10	Sid & Andy	NF	no factor from 2^75 to 2^76
2018-07-20	-Anonymous-	C-LL	6A459F8FD04A3248
2017-07-17	Smok_bmv	NF-PM1	B1=725000, B2=14137500
2016-12-15	Sid & Andy	NF	no factor from 2^74 to 2^75
2016-12-15	Sid & Andy	NF	no factor from 2^73 to 2^74
2016-11-04	Judge Hale	NF	no factor from 2^72 to 2^73
2016-11-04	Judge Hale	NF	no factor from 2^71 to 2^72
2014-02-28	Hobz	NF	no factor from 2^70 to 2^71
2013-02-04	Florimond C.	NF	no factor from 2^69 to 2^70
2013-01-30	phoenicis	NF	no factor from 2^68 to 2^69
2011-03-31	jomateix	NF	no factor from 2^67 to 2^68
2011-03-25	-Anonymous-	NF	no factor from 2^66 to 2^67
2011-03-18	Ake Tilander	NF	no factor from 2^65 to 2^66
2010-12-17	Architects Cubed	NF	no factor from 2^64 to 2^65