7 827 893 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

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

Factored

Factor	Digits	Bits	Date
422706223	9	28.7	old
861068231	9	29.7	2008-09-08 03:40:12

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-05-18	_p95holder_	747AA41ED0D49027	2	2311438	5	3
Verified	2019-10-16	ATH	747AA41ED0D49027	2	565893	5	3

History

Date	User	Type	Result
2024-02-06	Stef42	NF-PM1	B1=859000, B2=1382772300
2019-10-16	ATH	C-PRP	M7827893/422706223/861068231 : 747AA41ED0D49027 PRP: Verified PRP without proof (not generated)
2018-05-18	_p95holder_	C-PRP	M7827893/422706223/861068231 : 747AA41ED0D49027 PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 861068231

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