85 326 499 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 =	462000
B2 =	168184380

Status	Date	User	Residue	Shift	Type	Base
Verified	2019-05-19	Mihai Preda	BC2FDBAC5F2FADD0	0	4	3
Verified	2023-03-18	_p95holder_	BC2FDBAC5F2FADD0	23614897	4	3

History

Date	User	Type	Result
2023-03-18	_p95holder_	C-PRP	BC2FDBAC5F2FADD0 PRP: Verified PRP without proof (not generated)
2022-11-14	Kriesel	NF-PM1	B1=462000, B2=168184380
2019-05-19	Mihai Preda	C-PRP	BC2FDBAC5F2FADD0 PRP: Verified PRP without proof (not generated)
2019-04-28	ATH	NF	no factor from 2^63 to 2^64
2019-04-28	ATH	NF	no factor from 2^1 to 2^63
2018-01-19	Yxinity	NF-PM1	B1=780000
2017-09-12	-Anonymous-	NF	no factor from 2^75 to 2^76
2017-09-12	-Anonymous-	NF	no factor from 2^74 to 2^75
2017-03-03	-Anonymous-	NF	no factor from 2^73 to 2^74
2017-03-03	-Anonymous-	NF	no factor from 2^72 to 2^73
2017-03-03	-Anonymous-	NF	no factor from 2^71 to 2^72
2013-11-10	GrunwalderGIMP	NF	no factor from 2^70 to 2^71
2013-10-17	electron1897	NF	no factor from 2^69 to 2^70
2013-08-18	Robish	NF	no factor from 2^68 to 2^69
2013-08-16	processinfo	NF	no factor from 2^67 to 2^68
2013-06-15	Per Jessen	NF	no factor from 2^66 to 2^67
2013-02-19	E.Lechner	NF	no factor from 2^65 to 2^66
2010-11-27	Architects Cubed	NF	no factor from 2^64 to 2^65