7 163 683 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

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

Factored

Factor	Digits	Bits	Date
5262716432475815431	19	62.2	old

Status	Date	User	Residue	Shift
Verified (Factored)	2000-01-25	Manuel J. Galan	434E952D70BD94FF	5042755

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-02-16	Oliver Kruse	D4B48DBBD02530A3	1	4149283	5	3
Verified	2019-04-04	kracker	D4B48DBBD02530A3	1	6415115	5	3

History

Date	User	Type	Result
2023-05-30	Naegi Makoto	NF-PM1	B1=200000, B2=383906250
2019-04-04	kracker	C-PRP	M7163683/5262716432475815431 : D4B48DBBD02530A3 PRP: Verified PRP without proof (not generated)
2018-02-16	Oliver Kruse	C-PRP	M7163683/5262716432475815431 : D4B48DBBD02530A3 PRP: Verified PRP without proof (not generated)