5 306 887 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
1030990165039	13	39.9	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2017-11-25	storm5510	F44D6EC6DA6BE0B7	1	4074921	5	3
Verified	PRP without proof (not generated)	2018-02-03	kkmrkkblmbrbk	F44D6EC6DA6BE0B7	1	61884	5	3

History

Date	User	Type	Result
2025-04-05	Sid & Andy	NF	no factor TF: 68-70
2025-03-29	Sid & Andy	NF-PM1	B1=5700000, B2=7179714360
2023-05-11	This -Anonymous-	NF-PM1	B1=50000, B2=1000000
2018-02-03	kkmrkkblmbrbk	C-PRP	M5306887/1030990165039 : F44D6EC6DA6BE0B7
2017-11-25	storm5510	C-PRP	M5306887/1030990165039 : F44D6EC6DA6BE0B7

Username
Password