5 201 837 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
41614697	8	25.3	old

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-11-23	Oliver Kruse	DE1648AD007A7D55	1	2304989	5	3
Verified	2018-01-20	kkmrkkblmbrbk	DE1648AD007A7D55	1	689256	5	3

History

Date	User	Type	Result
2025-03-06	Sid & Andy	NF	no factor from 2^68 to 2^70
2022-11-14	Kevin_9611	NF-PM1	B1=400000, B2=55913340
2018-01-20	kkmrkkblmbrbk	C-PRP	M5201837/41614697 : DE1648AD007A7D55 PRP: Verified PRP without proof (not generated)
2017-11-23	Oliver Kruse	C-PRP	M5201837/41614697 : DE1648AD007A7D55 PRP: Verified PRP without proof (not generated)

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