1 479 031 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
3935550508293400679447	22	71.7	2010-01-08 04:41:47

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Bruce Loving	A1B3417E8889D240	0
Verified (Factored)	1999-03-15	Stephen Wood	A1B3417E8889D240	760396

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-01	Oliver Kruse	F0AF79566DD592F6	1	0	1	3
Verified	2017-10-28	kkmrkkblmbrbk	F0AF79566DD592F6	1	345687	1	3

History

Date	User	Type	Result
2017-10-28	kkmrkkblmbrbk	C-PRP	M1479031/3935550508293400679447 : F0AF79566DD592F6 PRP: Verified PRP without proof (not generated)
2017-10-01	Oliver Kruse	C-PRP	M1479031/3935550508293400679447 : F0AF79566DD592F6 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2010-01-08	SubPrime	F-ECM	Factor: 3935550508293400679447