2 554 553 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
10088399834753	14	43.2	old
5408106803938064896772849	25	82.2	2018-03-19 14:19:39

ECM

Digits	B1	Curves
25	50000	29 / 280

Estimated T-Level: 20.5 ⓘ

TF below 2^63 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-16	kkmrkkblmbrbk	9379B0538DCF8DBC	1	1979349	5	3
Verified (Factored)	2017-11-11	Oliver Kruse	9379B0538DCF8DBC	1	1729320	5	3
Verified	2018-03-22	-Anonymous-	9379B0538DCF8DBC	2	2134956	5	3

History

Date	User	Type	Result
2019-07-04	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2018-03-22	-Anonymous-	C-PRP	M2554553/10088399834753/5408106803938064896772849 : 9379B0538DCF8DBC PRP: Verified PRP without proof (not generated)
2018-03-19	BanWaiLun	F-ECM	Factor: 5408106803938064896772849 / (ECM curve 2, B1=50000, B2=5000000)
2017-11-11	Oliver Kruse	C-PRP	M2554553/10088399834753 : 9379B0538DCF8DBC PRP: Verified PRP without proof (not generated)
2017-10-16	kkmrkkblmbrbk	C-PRP	M2554553/10088399834753 : 9379B0538DCF8DBC PRP: Verified PRP without proof (not generated)