8 568 281 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 1 known prime factor. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶⁸

Factored

Factor	Digits	Bits	Date
107463380303	12	36.6	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-11-23	rucio	D6DFF6D67094B74A	1	4624244	5	3
Verified	PRP without proof (not generated)	2020-07-15	storm5510	D6DFF6D67094B74A	1	3710725	5	3

History

Date	User	Type	Result
2024-05-22	Stef42	NF-PM1	B1=1115000, B2=1240880550
2020-07-15	storm5510	C-PRP	M8568281/107463380303 : D6DFF6D67094B74A
2018-11-23	rucio	C-PRP	M8568281/107463380303 : D6DFF6D67094B74A

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