9 218 483 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
239680559	9	27.8	old

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-08-02	ATH	E24F9DFB5422544B	1	8985021	5	3
Verified	2020-11-03	nordi	E24F9DFB5422544B	1	6360114	5	3

History

Date	User	Type	Result
2025-06-21	beep	NF-PM1	B1=2000000, B2=6930595980
2025-06-19	beep	NF	no factor from 2^68 to 2^70
2021-03-27	ViliamF	NF-PM1	B1=1000000, B2=71000000
2020-11-03	nordi	C-PRP	M9218483/239680559 : E24F9DFB5422544B PRP: Verified PRP without proof (not generated)
2019-08-02	ATH	C-PRP	M9218483/239680559 : E24F9DFB5422544B PRP: Verified PRP without proof (not generated)

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