1 052 939 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
2982007850922846512033	22	71.3	2017-03-31 11:15:14
6669362274237036897076439	25	82.5	2011-01-08 23:55:54

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 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)		John Lloyd	A228BA3509CDF6EB	0
Verified (Factored)		Phil Nesser	A228BA3509CDF6EB	0
Verified (Factored)		Tom Cage	A228BA3509CDF6EB	0
Verified (Factored)		Cornelius Caesar	A228BA3509CDF6EB	0

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-05	Oliver Kruse	36874E1824DA85B7	2	0	1	3
Verified	2017-10-16	Oliver Kruse	36874E1824DA85B7	2	835740	1	3
Verified	2017-12-28	ATH	36874E1824DA85B7	2	452846	1	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^59 to 2^60
2017-12-28	ATH	C-PRP	M1052939/2982007850922846512033/6669362274237036897076439 : 36874E1824DA85B7 PRP: Verified PRP without proof (not generated)
2017-10-16	Oliver Kruse	C-PRP	M1052939/6669362274237036897076439/2982007850922846512033 : 36874E1824DA85B7 PRP: Verified PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M1052939/6669362274237036897076439/2982007850922846512033 : 36874E1824DA85B7 PRP: Verified PRP without proof (not generated)
2017-09-28	Oliver Kruse	C-PRP	M1052939/6669362274237036897076439/2982007850922846512033 : 36874E1824DA85B7 PRP without proof (not generated)
2017-03-31	TJAOI	F-ECM	Factor: 2982007850922846512033 / (ECM curve 49, B1=50000, B2=5000000)
2016-03-17	alpertron	NF-PM1	B1=300000, B2=10000000, E=12
2011-01-08	Rob_Dee	F-PM1	Factor: 6669362274237036897076439
2011-01-08	Rob_Dee	NF-PM1	B1=400000, B2=28000000, E=4
2011-01-08	Rob_Dee	NF-PM1	B1=300000, B2=27000000, E=4
2011-01-08	Rob_Dee	NF-PM1	B1=250000, B2=26000000, E=4
2011-01-07	Rob_Dee	NF-PM1	B1=200000, B2=25000000, E=6
2011-01-07	Rob_Dee	NF-PM1	B1=200000, B2=20000000, E=6
2011-01-07	Rob_Dee	NF-PM1	B1=200000, B2=17000000, E=6
2011-01-07	Rob_Dee	NF-PM1	B1=200000, B2=15000000, E=6
2010-11-11	Michael C	NF	no factor from 2^61 to 2^62
2009-02-15	Sturle Sunde	NF	no factor from 2^60 to 2^61