13 999 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
139991	6	17.1	old
2037365278166259071	19	60.8	2008-08-29 02:24:33
234534815176453313037359	24	77.6	2008-08-29 02:24:33
59895546905398934285004240937	29	95.6	2010-07-03 13:20:21

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	1324 / 9201

Estimated T-Level: 40.7 ⓘ

TF below 2^130 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	36C3201F85FE336D	4	0	1	3
Verified	2017-10-02	kkmrkkblmbrbk	36C3201F85FE336D	4	0	1	3
Verified	2017-12-07	ATH	36C3201F85FE336D	4	9730	1	3
Unverified	2020-04-17	Oliver Kruse	67FDE02EA565C4__	4	7068	5	3

P-1 factors

Date	Factor	B1	B2
2023-11-30	122029107581838317435999948266404839815245789527	100000000000	124499752678561264

History

Date	User	Type	Result
2023-11-30	-Anonymous-	F-PM1	Factors: 2037365278166259071,59895546905398934285004240937 / (P-1, B1=100000000000, B2=124499752678561260)
2023-05-22	JacobZ	NF-PM1	B1=7800000000, B2=32022192391138950
2023-02-11	USAFSS	NF-PM1	B1=30000000, B2=2010341563230
2022-02-06	Lisander Viaene	NF-PM1	B1=50000
2020-04-17	Oliver Kruse	C-PRP	M13999/139991/2037365278166259071/234534815176453313037359/59895546905398934285004240937 : 67FDE02EA565C4__ PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M13999/139991/2037365278166259071/234534815176453313037359/59895546905398934285004240937 : 36C3201F85FE336D PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M13999/139991/2037365278166259071/234534815176453313037359/59895546905398934285004240937 : 36C3201F85FE336D PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M13999/139991/2037365278166259071/234534815176453313037359/59895546905398934285004240937 : 36C3201F85FE336D PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M13999/139991/2037365278166259071/234534815176453313037359/59895546905398934285004240937 : 36C3201F85FE336D PRP without proof (not generated)
2010-07-03	James Hintz	F-ECM	Factor: 59895546905398934285004240937
2008-08-29	-Anonymous-	F-ECM	Factor: 234534815176453313037359
2008-08-29	-Anonymous-	F-ECM	Factor: 2037365278166259071