8 330 983 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 2 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶⁸

Factored

Factor	Digits	Bits	Date
55317727121	11	35.7	old
198189886754569	15	47.5	2014-03-06 11:42:55

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-15	irowiki	448E6F5912EEAD72	2	1937432	5	3
Verified	PRP without proof (not generated)	2020-04-22	marssystems	448E6F5912EEAD72	2	6392010	5	3

History

Date	User	Type	Result
2024-05-10	Stef42	NF-PM1	B1=1025000, B2=1519818300
2020-04-22	marssystems	C-PRP	M8330983/55317727121/198189886754569 : 448E6F5912EEAD72
2018-10-15	irowiki	C-PRP	M8330983/55317727121/198189886754569 : 448E6F5912EEAD72
2014-03-06	TJAOI	F	Factor: 198189886754569

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