3 244 039 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
1020402420101041272809676733169	31	99.7	2020-06-19 22:16:05

ECM

Digits	B1	Curves
25	50000	15 / 280

Estimated T-Level: 20.3 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1998-04-21	Joop Duijn	1E4CCE9CC8D1337F	0
Verified (Factored)	1999-06-15	Charles Kirkendall	1E4CCE9CC8D1337F	824244

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-06-20	mikr	EBBBA9FE35167562	1	3153359	5	3
Verified	2020-06-20	M Miller	EBBBA9FE35167562	1	61133	5	3

P-1 factors

Date	Factor	B1	B2
2020-06-19	1020402420101041272809676733169	4000000	150000000

History

Date	User	Type	Result
2022-01-03	Joss	NF-PM1	B1=3244039, B2=116701200
2022-01-02	Joss	NF-PM1	B1=3244039
2021-01-16	Joss	NF-PM1	B1=324403, B2=3244039, E=6
2021-01-14	Joss	NF-PM1	B1=324403
2020-06-20	M Miller	C-PRP	M3244039/1020402420101041272809676733169 : EBBBA9FE35167562 PRP: Verified PRP without proof (not generated)
2020-06-20	mikr	C-PRP	M3244039/1020402420101041272809676733169 : EBBBA9FE35167562 PRP: Verified PRP without proof (not generated)
2020-06-19	mikr	F-PM1	Factor: 1020402420101041272809676733169 / (P-1, B1=4000000, B2=150000000, E=12)
2018-11-12	TJAOI	NF	no factor from 2^67 to 2^68
2017-03-27	Gordon Spence	NF	no factor from 2^66 to 2^67
2015-06-24	Tha	NF	no factor from 2^65 to 2^66
2013-09-04	David Campeau	NF	no factor from 2^64 to 2^65
2012-11-18	Richard B. Woods	NF	no factor from 2^63 to 2^64
2012-10-12	Richard B. Woods	NF	no factor from 2^62 to 2^63
2012-06-23	c10ck3r	NF-PM1	B1=1000000, B2=30000000, E=12
2011-09-09	USAFSS	NF-PM1	B1=55000, B2=866250, E=6
2011-07-24	Carsten Kossendey	NF	no factor from 2^61 to 2^62
2009-07-04	Carsten Kossendey	NF-PM1	B1=15000, B2=191250
2009-04-04	S485122	NF	no factor from 2^60 to 2^61