8 321 843 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
2447656080648041	16	51.1	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-09	rucio	C17D2911825C9232	1	3490359	5	3
Verified	PRP without proof (not generated)	2020-04-19	marssystems	C17D2911825C9232	1	1976808	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1390000, B2=2978771250
2020-04-19	marssystems	C-PRP	M8321843/2447656080648041 : C17D2911825C9232
2018-10-09	rucio	C-PRP	M8321843/2447656080648041 : C17D2911825C9232

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