89 721 199 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 =	730000
B2 =	13322500

Status	Date	User	Residue	Shift
Unverified	2019-08-10	Egor K	F194F0C2BA01D8__	49114785

History

Date	User	Type	Result
2019-08-10	Egor K	C-LL	F194F0C2BA01D8__
2018-11-26	Ruzovej	NF-PM1	B1=730000, B2=13322500
2018-11-04	TheJudger	NF	no factor from 2^75 to 2^76
2018-11-04	TheJudger	NF	no factor from 2^74 to 2^75
2017-08-11	-Anonymous-	NF	no factor from 2^73 to 2^74
2017-08-11	-Anonymous-	NF	no factor from 2^72 to 2^73
2017-08-11	-Anonymous-	NF	no factor from 2^71 to 2^72
2013-08-18	SMoffat	NF	no factor from 2^70 to 2^71
2013-03-27	symallad	NF	no factor from 2^69 to 2^70
2013-03-21	SMoffat	NF	no factor from 2^68 to 2^69
2013-03-20	Dan	NF	no factor from 2^67 to 2^68
2013-03-19	SMoffat	NF	no factor from 2^66 to 2^67
2013-03-18	SMoffat	NF	no factor from 2^65 to 2^66
2010-11-11	Architects Cubed	NF	no factor from 2^64 to 2^65