8 330 521 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 2⁶⁸

TF target 2⁶⁸

Factored

Factor	Digits	Bits	Date
3273990044294982850943249	25	81.4	old

Status	Date	User	Residue	Shift	Software
Factored	2000-02-16	Jeff Runaldue	8F010D897EC7F5E3	2818280	Windows,Prime95,v19,(aka WV1)

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-13	EthanD	AAB381C5E9DC889E	1	7497045	5	3
Verified	PRP without proof (not generated)	2020-04-23	arnaud	AAB381C5E9DC889E	1	8228432	5	3

History

Date	User	Type	Result
2024-05-10	Stef42	NF-PM1	B1=1025000, B2=1519818300
2020-04-23	arnaud	C-PRP	M8330521/3273990044294982850943249 : AAB381C5E9DC889E
2018-10-13	EthanD	C-PRP	M8330521/3273990044294982850943249 : AAB381C5E9DC889E
2002-11-09	Wayne	F-PM1	Factor: 3273990044294982850943249
2000-02-16	-anonymous-	C-LL	8F010D897EC7F5E3
1999-10-07	-anonymous-	NF	no factor TF: 1-64
1999-01-10	-anonymous-	NF	no factor TF: 1-63
1998-09-06	-anonymous-	NF	no factor TF: 1-62