322 633 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
1326442938720570568804417107209	31	100.1	2019-03-15 08:34:48

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	331 / 640

Estimated T-Level: 27.6 ⓘ

TF below 2^87 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		David Slowinski	44F4	0
Verified (Factored)		Unknown	44F4	0
Verified (Factored)		Guillermo Ballester Valor	3ED34775369FC4F4	0
Verified (Factored)		Eivind Triel	3ED34775369FC4F4	51344
Verified (Factored)	2002-01-15	Dennis Pope	3ED34775369FC4F4	66134

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-03-15	ATH	D25C0C1480DF8623	1	14738	5	3
Verified	2019-03-16	kkmrkkblmbrbk	D25C0C1480DF8623	1	80184	5	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2019-03-16	kkmrkkblmbrbk	C-PRP	M322633/1326442938720570568804417107209 : D25C0C1480DF8623 PRP: Verified PRP without proof (small exponent)
2019-03-15	ATH	C-PRP	M322633/1326442938720570568804417107209 : D25C0C1480DF8623 PRP: Verified PRP without proof (small exponent)
2019-03-15	alex	F-ECM	Factor: 1326442938720570568804417107209 / (ECM curve 38, B1=250000, B2=25000000, Sigma=7317852491948596)
2018-01-22	Gordon Spence	NF	no factor from 2^64 to 2^65
2016-06-28	mikr	NF-PM1	B1=60000000, B2=3000000000, E=12
2015-12-09	Gordon Spence	NF	no factor from 2^63 to 2^64
2015-12-09	Gordon Spence	NF	no factor from 2^62 to 2^63
2015-07-22	NR	NF	no factor from 2^61 to 2^62
2012-04-27	David Campeau	NF	no factor from 2^60 to 2^61
2012-01-17	alpertron	NF-PM1	B1=10000000, B2=200000000, E=12
2011-08-06	Joss	NF-PM1	B1=1440250
2009-01-23	Sturle Sunde	NF	no factor from 2^59 to 2^60
2008-12-31	Sturle Sunde	NF	no factor from 2^58 to 2^59