23 516 089 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
1619450690983460996873	22	70.5	2021-05-05 08:51:22

Status	Date	User	Residue	Shift
Verified (Factored)	2004-09-16	Stephen Baker	C47A7D876FDCBA6E	21127733
Verified (Factored)	2010-04-08	Roberto Quezada	C47A7D876FDCBA6E	4901824

P-1 factors

Date	Factor	B1	B2
2021-05-05	1619450690983460996873	1200000	76800000

History

Date	User	Type	Result
2021-05-05	firejuggler	F-PM1	Factor: 1619450690983460996873 / (P-1, B1=1200000, B2=76800000)
2018-08-26	ramgeis	NF	no factor from 2^69 to 2^70
2018-01-05	VictordeHollander	NF	no factor from 2^68 to 2^69
2016-06-09	VictordeHollander	NF	no factor from 2^67 to 2^68
2010-04-08	Roberto Quezada	C-LL	C47A7D876FDCBA6E