23 001 623 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: 1 known prime factor

Factored

Factor	Digits	Bits	Date
8657056716291838620290417	25	82.8	2021-04-19 11:18:33

Status	Date	User	Residue	Shift
Verified (Factored)		Tom Duncan	7FF072A7E00EFF56	19723067
Verified (Factored)	2008-04-05	arnaud	7FF072A7E00EFF56	3271395

P-1 factors

Date	Factor	B1	B2
2021-04-19	8657056716291838620290417	1300000	0

History

Date	User	Type	Result
2024-06-08	James Heinrich	NF	no factor from 2^68 to 2^69
2021-04-19	yoyorocks1	F-PM1	Factor: 8657056716291838620290417 / (P-1, B1=1300000)
2018-09-20	mikr	NF	no factor from 2^70 to 2^71
2017-03-11	ramgeis	NF	no factor from 2^69 to 2^70
2017-01-26	Conductor	NF	no factor from 2^68 to 2^69
2016-02-17	VictordeHollander	NF	no factor from 2^67 to 2^68
2008-04-05	arnaud	C-LL	7FF072A7E00EFF56