42 759 611 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
1710707474993819843765393982449905030927777	43	140.3	2018-12-20 23:35:34

Status	Date	User	Residue	Shift
Verified (Factored)	2009-11-13	-Anonymous-	5FD4BC804C13D55A	31839135
Verified (Factored)	2016-04-04	aktaxxx1	5FD4BC804C13D55A	14092892

P-1 factors

Date	Factor	B1	B2
2018-12-20	1710707474993819843765393982449905030927777	570000	11400000

History

Date	User	Type	Result
2018-12-20	Architects Cubed	F-PM1	Factor: 1710707474993819843765393982449905030927777 / (P-1, B1=570000, B2=11400000, E=12)
2018-11-02	Robin89	NF	no factor from 2^72 to 2^73
2016-04-04	aktaxxx1	C-LL	5FD4BC804C13D55A
2015-09-03	-Anonymous-	NF	no factor from 2^71 to 2^72
2015-04-11	Mark Rose	NF	no factor from 2^70 to 2^71
2014-11-14	Grant McCracken	NF	no factor from 2^69 to 2^70
2014-03-05	LaurV	NF	no factor from 2^68 to 2^69
2009-11-13	-Anonymous-	C-LL	5FD4BC804C13D55A
2009-08-25	-Anonymous-	NF-PM1	B1=715000