8 328 731 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
16657463	8	24.0	old
89950294801	11	36.4	2008-09-08 04:30:31

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-15	Jerry_PL	3A53F26383A1CAC1	2	2765390	5	3
Verified	PRP without proof (not generated)	2020-04-22	GAN	3A53F26383A1CAC1	2	5013005	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1377000, B2=2852014620
2020-04-22	GAN	C-PRP	M8328731/16657463/89950294801 : 3A53F26383A1CAC1
2018-10-15	Jerry_PL	C-PRP	M8328731/16657463/89950294801 : 3A53F26383A1CAC1
2008-09-08	Will Edgington	F	Factor: 89950294801

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