2 399 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
4799	4	12.2	old
5201033	7	22.3	old
2571239126783847937422658871	28	91.1	old
174050713908151885290217482291235845448134953	45	147.0	2010-11-14 15:59:50

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	9201 / 9201
50	44000000	16550 / 16550
55	110000000	40830 / 40830
60	260000000	61845 / 105362

Estimated T-Level: 57.9 ⓘ

TF below 2^187 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-21	Oliver Kruse	C7F9A250FF2AEF2C	4	0	1	3
Verified	2017-10-02	kkmrkkblmbrbk	C7F9A250FF2AEF2C	4	0	1	3
Verified	2017-12-07	ATH	C7F9A250FF2AEF2C	4	721	1	3
Verified	2020-04-17	Oliver Kruse	A6CA6AE826387295	4	416	5	3
Verified (Factored)	2022-05-12	Jorge Coveiro	A6CA6AE826387295	1	1083	5	3
Verified	2024-02-03	Wentao Huang	A6CA6AE826387295	4	833	5	3

History

Date	User	Type	Result
2024-02-03	Wentao Huang	C-PRP	M2399/4799/5201033/2571239126783847937422658871/174050713908151885290217482291235845448134953 : A6CA6AE826387295 PRP: Verified PRP without proof (small exponent)
2022-05-12	Jorge Coveiro	C-PRP	M2399/4799 : A6CA6AE826387295 PRP: Verified PRP without proof (small exponent)
2020-04-17	Oliver Kruse	C-PRP	M2399/4799/5201033/2571239126783847937422658871/174050713908151885290217482291235845448134953 : A6CA6AE826387295 PRP: Verified PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M2399/4799/5201033/2571239126783847937422658871/174050713908151885290217482291235845448134953 : C7F9A250FF2AEF2C PRP: Verified PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M2399/4799/5201033/2571239126783847937422658871/174050713908151885290217482291235845448134953 : C7F9A250FF2AEF2C PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M2399/known_factors : C7F9A250FF2AEF2C PRP without proof (not generated)
2016-09-09	kkmrkkblmbrbk	NF-PM1	B1=500000000, B2=50000000000, E=12
2010-11-14	Matthias Wurtinger	F-ECM	Factor: 174050713908151885290217482291235845448134953