4 697 753 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
1616027033	10	30.6	old
13601496598157217367	20	63.6	2017-03-14 12:26:24
237245509478297884999	21	67.7	2019-04-07 20:57:10

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)	2017-11-19	Oliver Kruse	9A3F6ADE161B5D10	2	2553152	5	3
Verified (Factored)	2018-01-04	kkmrkkblmbrbk	9A3F6ADE161B5D10	2	4545676	5	3
Verified	2019-04-08	EthanD	9A3F6ADE161B5D10	3	4365131	5	3

History

Date	User	Type	Result
2023-09-10	USAFSS	NF-PM1	B1=240000, B2=91991760
2019-04-08	EthanD	C-PRP	M4697753/1616027033/13601496598157217367/237245509478297884999 : 9A3F6ADE161B5D10 PRP: Verified PRP without proof (not generated)
2019-04-07	ATH	F-ECM	Factor: 237245509478297884999 / (ECM curve 3, B1=50000, B2=5000000, Sigma=4905579843568569)
2018-01-04	kkmrkkblmbrbk	C-PRP	M4697753/1616027033/13601496598157217367 : 9A3F6ADE161B5D10 PRP: Verified PRP without proof (not generated)
2017-11-19	Oliver Kruse	C-PRP	M4697753/1616027033/13601496598157217367 : 9A3F6ADE161B5D10 PRP: Verified PRP without proof (not generated)
2017-03-14	TJAOI	F	Factor: 13601496598157217367 / TF: 63-64