8 326 781 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
842585886908471	15	49.6	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-14	Oliver Kruse	EAB2F1A10FABC169	1	4499008	5	3
Verified	PRP without proof (not generated)	2020-04-20	marssystems	EAB2F1A10FABC169	1	1570820	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1382000, B2=2915383380
2020-04-20	marssystems	C-PRP	M8326781/842585886908471 : EAB2F1A10FABC169
2018-10-14	Oliver Kruse	C-PRP	M8326781/842585886908471 : EAB2F1A10FABC169

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