2 796 523 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
538990656929	12	39.0	old
18968896186849601291114244433	29	93.9	2023-01-21 09:42:21

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

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

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-21	Oliver Kruse	82AF6F804AD46D84	1	384274	5	3
Verified (Factored)	2017-12-06	kkmrkkblmbrbk	82AF6F804AD46D84	1	2047572	5	3
Verified	2023-01-22	LordJulius	82AF6F804AD46D84	2	1730609	5	3

P-1 factors

Date	Factor	B1	B2
2023-01-21	18968896186849601291114244433	288000	226423890

History

Date	User	Type	Result
2023-01-22	David Barley	CERT	PRP Certification Proof certified good
2023-01-22	LordJulius	C-PRP	M2796523/538990656929/18968896186849601291114244433 : 82AF6F804AD46D84 PRP proof power = 7 PRP: Verified Proof certified good
2023-01-21	USAFSS	F-PM1	Factor: 18968896186849601291114244433 / (P-1, B1=288000, B2=226423890)
2017-12-06	kkmrkkblmbrbk	C-PRP	M2796523/538990656929 : 82AF6F804AD46D84 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-21	Oliver Kruse	C-PRP	M2796523/538990656929 : 82AF6F804AD46D84 PRP: Verified (Factored) PRP without proof (not generated)