85 323 643 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

TF

No factors below 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	493000
B2 =	261539850

Status	Date	User	Residue	Shift
Unverified	2019-03-09	Ironix	2D813C26AF6253__	56538466

History

Date	User	Type	Result
2022-11-12	Joe S.	NF-PM1	B1=493000, B2=261539850
2019-03-09	Ironix	C-LL	2D813C26AF6253__
2018-01-10	Yxinity	NF-PM1	B1=780000
2017-09-05	-Anonymous-	NF	no factor from 2^75 to 2^76
2017-09-05	-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
2013-11-09	GrunwalderGIMP	NF	no factor from 2^70 to 2^71
2013-10-20	GrunwalderGIMP	NF	no factor from 2^69 to 2^70
2013-08-20	-Anonymous-	NF	no factor from 2^68 to 2^69
2013-08-19	-Anonymous-	NF	no factor from 2^67 to 2^68
2013-06-19	-Anonymous-	NF	no factor from 2^66 to 2^67
2013-02-27	E.Lechner	NF	no factor from 2^65 to 2^66
2010-11-25	Architects Cubed	NF	no factor from 2^64 to 2^65