43 210 553 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
5023864494129449195537	22	72.1	2019-09-30 15:17:21

Status	Date	User	Residue	Shift
Verified (Factored)	2010-01-29	Mark Thomson	DAC561594C3B94D8	23381822
Verified (Factored)	2017-07-20	Evgeniy Zavialov	DAC561594C3B94D8	42258574

History

Date	User	Type	Result
2019-09-30	-Anonymous-	F	Factor: 5023864494129449195537 / TF: 72-73*
2017-07-20	Evgeniy Zavialov	C-LL	DAC561594C3B94D8
2015-10-25	AirSquirrels	NF	no factor from 2^71 to 2^72
2015-05-25	Mark Rose	NF	no factor from 2^70 to 2^71
2014-01-28	mikr	NF	no factor from 2^69 to 2^70
2014-01-28	mikr	NF	no factor from 2^68 to 2^69
2010-01-29	Mark Thomson	C-LL	DAC561594C3B94D8
2009-10-01	Mark Thomson	NF-PM1	B1=520000, B2=14040000