3 339 521 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
14630571171777105537385753319	29	93.6	2020-07-11 18:08:23

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)		Robert Friberg	70E9A88AFCEB54FC	0
Verified (Factored)	2000-01-19	Hoang Anh Vo	70E9A88AFCEB54FC	1107870

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-07-15	Klaus Nordmann	4AFBEA73A9D9E1E7	1	1789333	5	3
Verified	2020-07-16	pew	4AFBEA73A9D9E1E7	1	752728	5	3

P-1 factors

Date	Factor	B1	B2
2020-07-11	14630571171777105537385753319	4000000	150000000

History

Date	User	Type	Result
2022-09-03	Joss	NF-PM1	B1=1335808, B2=236513550
2022-04-08	Joss	NF-PM1	B1=1000000, B2=115661700
2020-07-16	pew	C-PRP	M3339521/14630571171777105537385753319 : 4AFBEA73A9D9E1E7 PRP: Verified PRP without proof (not generated)
2020-07-15	Klaus Nordmann	C-PRP	M3339521/14630571171777105537385753319 : 4AFBEA73A9D9E1E7 PRP: Verified PRP without proof (not generated)
2020-07-11	mikr	F-PM1	Factor: 14630571171777105537385753319 / (P-1, B1=4000000, B2=150000000, E=12)
2018-11-05	TJAOI	NF	no factor from 2^67 to 2^68
2017-03-02	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-03-02	ramgeis	NF	no factor from 2^65 to 2^66
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-02-11	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-11	VictordeHollander	NF	no factor from 2^63 to 2^64
2012-12-01	Squeeky_Squirrel	NF-PM1	B1=230000, B2=6612500, E=12
2012-08-25	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-10-08	USAFSS	NF-PM1	B1=55000, B2=893750, E=6
2011-08-23	markr	NF	no factor to 2^62
2009-07-04	Carsten Kossendey	NF-PM1	B1=15000, B2=206250
2009-03-29	S485122	NF	no factor from 2^60 to 2^61