3 892 249 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
5226068973034149632863	22	72.1	2009-10-20 07:33:33

ECM

Digits	B1	Curves
25	50000	2 / 280

Estimated T-Level: 20.0 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1998-04-11	Kevin D. Quitt	B0E89EA25781861D	0
Verified (Factored)	1999-09-07	wayne arensman	B0E89EA25781861D	1840755

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-20	kkmrkkblmbrbk	AA8A3E1F3A2FB9A1	1	0	1	3
Verified	2017-12-27	Oliver Kruse	AA8A3E1F3A2FB9A1	1	1997403	1	3

History

Date	User	Type	Result
2022-05-25	Joss	NF-PM1	B1=200000, B2=130364850
2022-04-17	Joss	NF-PM1	B1=200000
2017-12-27	Oliver Kruse	C-PRP	M3892249/5226068973034149632863 : AA8A3E1F3A2FB9A1 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M3892249/5226068973034149632863 : AA8A3E1F3A2FB9A1 PRP: Verified PRP without proof (not generated)
2009-10-20	alan145	F-ECM	Factor: 5226068973034149632863