89 912 561 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 =	14782500

Status	Date	User	Residue	Shift
Unverified	2020-02-12	Dmitriy Degtiarev	6BDCC4374D3900__	84887738

History

Date	User	Type	Result
2020-02-12	Dmitriy Degtiarev	C-LL	6BDCC4374D3900__
2018-12-31	Oliver Kruse	NF-PM1	B1=730000, B2=14782500, E=12
2017-05-13	monst	NF	no factor from 2^75 to 2^76
2017-05-13	monst	NF	no factor from 2^74 to 2^75
2017-04-09	monst	NF	no factor from 2^73 to 2^74
2017-04-09	monst	NF	no factor from 2^72 to 2^73
2017-04-02	monst	NF	no factor from 2^71 to 2^72
2013-08-30	svistak	NF	no factor from 2^70 to 2^71
2013-08-30	svistak	NF	no factor from 2^69 to 2^70
2013-08-30	svistak	NF	no factor from 2^68 to 2^69
2013-08-30	svistak	NF	no factor from 2^67 to 2^68
2013-08-30	svistak	NF	no factor from 2^66 to 2^67
2013-08-30	svistak	NF	no factor from 2^65 to 2^66
2010-11-12	Architects Cubed	NF	no factor from 2^64 to 2^65