78 115 273 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 =	655000
B2 =	13100000

Status	Date	User	Residue	Shift
Unverified	2016-12-08	ChavdarLalov	E979D8A0E849D1__	46902060

History

Date	User	Type	Result
2024-03-16	Sid & Andy	NF	no factor from 2^75 to 2^76
2016-12-08	ChavdarLalov	C-LL	E979D8A0E849D1__
2016-04-04	Mark Rose	NF	no factor from 2^62 to 2^64
2016-01-25	James Heinrich	NF-PM1	B1=655000, B2=13100000, E=6
2016-01-10	dh1	NF	no factor from 2^74 to 2^75
2016-01-10	dh1	NF	no factor from 2^73 to 2^74
2016-01-10	dh1	NF	no factor from 2^72 to 2^73
2014-01-28	snme2pm1	NF	no factor from 2^71 to 2^72
2013-05-22	g0b	NF	no factor from 2^70 to 2^71
2013-02-12	SMoffat	NF	no factor from 2^69 to 2^70
2013-02-11	Clown_Royal	NF	no factor from 2^68 to 2^69
2011-02-27	firejuggler	NF	no factor from 2^67 to 2^68
2010-12-28	Gordon Bower	NF	no factor from 2^66 to 2^67
2010-10-24	cnaTb_xo4y	NF	no factor from 2^65 to 2^66
2010-10-24	arnaud	NF	no factor from 2^64 to 2^65