78 163 123 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 2⁷⁵

TF target 2⁷⁵

P-1

B1 =	655000
B2 =	13100000

Status	Date	User	Residue	Shift
Unverified	2017-02-24	Leo Custodio	18D2AD8A0D8EB9__	37474774

History

Date	User	Type	Result
2017-02-24	Leo Custodio	C-LL	18D2AD8A0D8EB9__
2016-06-05	TheJudger	NF-PM1	B1=655000, B2=13100000, E=12
2016-05-25	ktony	NF	no factor from 2^74 to 2^75
2016-05-25	ktony	NF	no factor from 2^73 to 2^74
2016-05-16	Greg	NF	no factor from 2^72 to 2^73
2014-04-10	snme2pm1	NF	no factor from 2^71 to 2^72
2013-01-11	Chih-Wei Huang	NF	no factor from 2^70 to 2^71
2011-01-17	eon_blue_apocalypse	NF	no factor from 2^69 to 2^70
2011-01-14	-Anonymous-	NF	no factor from 2^68 to 2^69
2011-01-14	-Anonymous-	NF	no factor from 2^67 to 2^68
2011-01-13	GrunwalderGIMP	NF	no factor from 2^66 to 2^67
2011-01-12	Eugene Sitnikov	NF	no factor from 2^65 to 2^66
2010-11-03	ANONYMOUS	NF	no factor from 2^64 to 2^65