1 484 303 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
39357735083515375759	20	65.1	2014-01-30 10:50:16
68171179559034806327	20	65.9	2019-05-10 12:38:50

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		The Grebelius Family	12515CE6A8506ED3	0
Verified (Factored)	1999-03-15	Alain-Jean PARES	12515CE6A8506ED3	378996

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-01	Oliver Kruse	EA0D8E455CB3A75D	1	0	1	3
Verified (Factored)	2017-10-28	kkmrkkblmbrbk	EA0D8E455CB3A75D	1	404364	1	3
Verified	2019-05-10	ATH	4382F764D6E3ED57	2	449900	5	3
Verified	2019-05-17	kracker	4382F764D6E3ED57	2	516837	5	3

History

Date	User	Type	Result
2023-11-21	Anton Tsvetkov	NF-PM1	B1=5000000, B2=1000203330
2019-05-17	kracker	C-PRP	M1484303/39357735083515375759/68171179559034806327 : 4382F764D6E3ED57 PRP: Verified PRP without proof (not generated)
2019-05-10	ATH	C-PRP	M1484303/39357735083515375759/68171179559034806327 : 4382F764D6E3ED57 PRP: Verified PRP without proof (not generated)
2019-05-10	TJAOI	F-ECM	Factor: 68171179559034806327 / (ECM curve 7, B1=50000, B2=5000000)
2017-10-28	kkmrkkblmbrbk	C-PRP	M1484303/39357735083515375759 : EA0D8E455CB3A75D PRP: Verified PRP without proof (not generated)
2017-10-01	Oliver Kruse	C-PRP	M1484303/39357735083515375759 : EA0D8E455CB3A75D PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2014-01-30	Chang Chia-Tche	F-ECM	Factor: 39357735083515375759
2011-04-05	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-01-15	Rob_Dee	NF-PM1	B1=200000, B2=5000000, E=6
2011-01-14	Rob_Dee	NF-PM1	B1=200000, B2=4000000, E=6
2011-01-13	Rob_Dee	NF-PM1	B1=200000, B2=3000000, E=6
2011-01-12	Rob_Dee	NF-PM1	B1=200000, B2=2000000, E=6
2011-01-11	Rob_Dee	NF-PM1	B1=200000, B2=1000000, E=6
2011-01-09	Rob_Dee	NF-PM1	B1=200000, B2=300000
2011-01-08	Rob_Dee	NF-PM1	B1=100000, B2=200000
2010-05-08	Architects Cubed	NF	no factor from 2^60 to 2^61