587 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 5 known prime factors. Cofactor is PRP (Probable-Prime).

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Factored

Factor	Digits	Bits	Date
554129	6	19.1	old
2926783	7	21.5	old
39483330766889	14	45.2	old
73208283304744901303	20	66.0	old
3728298863422039632638351	25	81.6	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Factored	No proof (small exponent)	2024-09-06	George Woltman	PRP_PRP_PRP_PRP_	5	0	1	3

History

Date	User	Type	Result
2024-09-06	George Woltman	P-PRP	M587/554129/2926783/39483330766889/73208283304744901303/3728298863422039632638351 PRP Cofactor

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