5 203 787 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 2⁷⁰

TF target 2⁶⁶

Factored

Factor	Digits	Bits	Date
149660914121	12	37.1	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2017-11-22	storm5510	D76E1DF608006423	1	25312	5	3
Verified	PRP without proof (not generated)	2018-01-21	kkmrkkblmbrbk	D76E1DF608006423	1	4668978	5	3

History

Date	User	Type	Result
2025-03-06	Sid & Andy	NF	no factor TF: 68-70
2022-11-15	Kevin_9611	NF-PM1	B1=400000, B2=57230670
2018-01-21	kkmrkkblmbrbk	C-PRP	M5203787/149660914121 : D76E1DF608006423
2017-11-22	storm5510	C-PRP	M5203787/149660914121 : D76E1DF608006423

Username
Password