5 506 363 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
231267247	9	27.8	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2017-12-04	kkmrkkblmbrbk	B12D595D7C2A5ADD	1	925534	5	3
Verified	PRP without proof (not generated)	2018-07-01	storm5510	B12D595D7C2A5ADD	1	477638	5	3

History

Date	User	Type	Result
2025-06-01	Sid & Andy	NF-PM1	B1=4700000, B2=7611542400
2025-05-10	Sid & Andy	NF	no factor TF: 68-70
2023-05-11	This -Anonymous-	NF-PM1	B1=50000, B2=1000000
2018-07-01	storm5510	C-PRP	M5506363/231267247 : B12D595D7C2A5ADD
2017-12-04	kkmrkkblmbrbk	C-PRP	M5506363/231267247 : B12D595D7C2A5ADD

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