2 788 889 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
664655797574176273	18	59.2	old
14389173660905628392503	23	73.6	2023-01-19 07:12:43

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	Shift
Verified (Factored)		Torrey Hoffman	974A630377B5DD3D	0
Verified (Factored)	2000-04-12	David Campeau	974A630377B5DD3D	1388469

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-21	Oliver Kruse	09D54032D3F39B04	1	1269607	5	3
Verified (Factored)	2017-12-06	kkmrkkblmbrbk	09D54032D3F39B04	1	2768591	5	3
Verified	2023-01-22	LordJulius	09D54032D3F39B04	2	2426838	5	3

P-1 factors

Date	Factor	B1	B2
2023-01-19	14389173660905628392503	330000	261254070

History

Date	User	Type	Result
2023-01-22	curtisc	CERT	PRP Certification Proof certified good
2023-01-22	LordJulius	C-PRP	M2788889/664655797574176273/14389173660905628392503 : 09D54032D3F39B04 PRP proof power = 7 PRP: Verified Proof certified good
2023-01-19	USAFSS	F-PM1	Factor: 14389173660905628392503 / (P-1, B1=330000, B2=261254070)
2017-12-06	kkmrkkblmbrbk	C-PRP	M2788889/664655797574176273 : 09D54032D3F39B04 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-21	Oliver Kruse	C-PRP	M2788889/664655797574176273 : 09D54032D3F39B04 PRP: Verified (Factored) PRP without proof (not generated)