8 328 413 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
5663320841	10	32.4	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-15	M Graber	222523EB96354F4F	1	1589473	5	3
Verified	PRP without proof (not generated)	2020-04-20	ATH	222523EB96354F4F	1	3592909	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1390000, B2=2978771250
2020-04-20	ATH	C-PRP	M8328413/5663320841 : 222523EB96354F4F
2018-10-15	M Graber	C-PRP	M8328413/5663320841 : 222523EB96354F4F

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