89 998 577 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 =	13687500

Status	Date	User	Residue	Shift	Type	Base
Unverified	2019-03-19	ky0uraku	CDA251F548E61C__	23409255	1	3

History

Date	User	Type	Result
2019-03-19	ky0uraku	C-PRP	CDA251F548E61C__ PRP without proof (not generated)
2019-01-28	Pi_Rho	NF-PM1	B1=730000, B2=13687500
2018-11-24	Kevin Jaget	NF	no factor from 2^75 to 2^76
2018-11-24	Kevin Jaget	NF	no factor from 2^74 to 2^75
2016-12-24	Gordon Bower	NF	no factor from 2^73 to 2^74
2016-12-24	Gordon Bower	NF	no factor from 2^72 to 2^73
2016-12-24	Gordon Bower	NF	no factor from 2^71 to 2^72
2014-11-30	JakeW	NF	no factor from 2^70 to 2^71
2013-09-05	mgdavilaINE	NF	no factor from 2^69 to 2^70
2013-08-29	Norman Ley	NF	no factor from 2^68 to 2^69
2013-07-23	Norman Ley	NF	no factor from 2^67 to 2^68
2013-03-28	Per Jessen	NF	no factor from 2^66 to 2^67
2013-03-27	C.D.B.	NF	no factor from 2^65 to 2^66
2010-11-12	Architects Cubed	NF	no factor from 2^64 to 2^65