5 506 103 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
11012207	8	23.4	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2017-12-04	kkmrkkblmbrbk	1901E9BB029A925C	1	3715015	5	3
Verified	PRP without proof (not generated)	2018-07-01	storm5510	1901E9BB029A925C	1	1519550	5	3

History

Date	User	Type	Result
2025-05-31	Sid & Andy	NF-PM1	B1=4700000, B2=7587067950
2025-05-09	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	M5506103/11012207 : 1901E9BB029A925C
2017-12-04	kkmrkkblmbrbk	C-PRP	M5506103/11012207 : 1901E9BB029A925C

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