6 988 307 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
404661508824799	15	48.5	old
4591414529820388841	19	62.0	2016-06-18 10:41:12

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-01-29	Oliver Kruse	A38F16A2E74CA554	2	4509600	5	3
Verified	2019-02-20	ANONYMOUS	A38F16A2E74CA554	2	3755102	5	3

History

Date	User	Type	Result
2024-01-01	Stef42	NF-PM1	B1=600000, B2=1280476890
2019-02-20	ANONYMOUS	C-PRP	M6988307/404661508824799/4591414529820388841 : A38F16A2E74CA554 PRP: Verified PRP without proof (not generated)
2018-01-29	Oliver Kruse	C-PRP	M6988307/404661508824799/4591414529820388841 : A38F16A2E74CA554 PRP: Verified PRP without proof (not generated)
2016-06-18	TJAOI	F	Factor: 4591414529820388841 / TF: 61-62