78 449 123 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 =	735000
B2 =	15251250

Status	Date	User	Residue	Shift
Unverified	2017-06-16	Jason U	8203B189944636__	16833444

History

Date	User	Type	Result
2017-06-16	Jason U	C-LL	8203B189944636__
2015-11-03	dh1	NF	no factor from 2^74 to 2^75
2015-08-16	MarkS	NF-PM1	B1=735000, B2=15251250, E=6
2014-09-27	NickOfTime	NF	no factor from 2^73 to 2^74
2014-09-27	NickOfTime	NF	no factor from 2^72 to 2^73
2014-09-27	NickOfTime	NF	no factor from 2^71 to 2^72
2013-01-12	La Güira	NF	no factor from 2^70 to 2^71
2010-11-28	arnaud	NF	no factor from 2^69 to 2^70
2010-11-21	Sergey Sukhanov	NF	no factor from 2^68 to 2^69
2010-11-05	-Anonymous-	NF	no factor from 2^67 to 2^68
2010-11-03	-Anonymous-	NF	no factor from 2^66 to 2^67
2010-11-02	Fred Cirera	NF	no factor from 2^65 to 2^66
2010-11-01	-Anonymous-	NF	no factor from 2^64 to 2^65