333 023 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
3712463460756168061087679071	28	91.6	2016-08-02 10:12:18

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	251 / 640

Estimated T-Level: 27.0 ⓘ

TF below 2^85 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		David Slowinski	D50	0
Verified (Factored)		Unknown	0D50	0
Verified (Factored)		Klaus Kastens	2F7B043B6CAF0D50	0
Verified (Factored)		Eivind Triel	2F7B043B6CAF0D50	90468
Verified (Factored)	2001-06-09	Klaus Kastens	2F7B043B6CAF0D50	1638

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-23	Oliver Kruse	8A6EF3A3060C66C3	1	0	1	3
Verified	2017-10-13	Oliver Kruse	8A6EF3A3060C66C3	1	239398	1	3
Verified	2017-12-12	ATH	8A6EF3A3060C66C3	1	170736	1	3
Unverified (Reliable)	2020-04-18	Oliver Kruse	084D85C77AC6B3__	1	331103	5	3

P-1 factors

Date	Factor	B1	B2
2016-08-02	3712463460756168061087679071	60000000	3000000000

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2020-04-18	Oliver Kruse	C-PRP	M333023/3712463460756168061087679071 : 084D85C77AC6B3__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-12-12	ATH	C-PRP	M333023/3712463460756168061087679071 : 8A6EF3A3060C66C3 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-10-13	Oliver Kruse	C-PRP	M333023/3712463460756168061087679071 : 8A6EF3A3060C66C3 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-23	Oliver Kruse	C-PRP	M333023/3712463460756168061087679071 : 8A6EF3A3060C66C3 PRP: Unverified (Reliable) PRP without proof (not generated)
2017-09-22	Oliver Kruse	C-PRP	M333023/3712463460756168061087679071 : 8A6EF3A3060C66C3 PRP without proof (not generated)
2016-08-02	mikr	F-PM1	Factor: 3712463460756168061087679071 / (P-1, B1=60000000, B2=3000000000, E=12)
2015-12-10	Gordon Spence	NF	no factor from 2^63 to 2^64
2015-12-10	Gordon Spence	NF	no factor from 2^62 to 2^63
2015-07-23	NR	NF	no factor from 2^61 to 2^62
2013-04-15	Sid & Andy	NF	no factor from 2^60 to 2^61
2012-01-06	alpertron	NF-PM1	B1=10000000, B2=200000000, E=12
2011-08-09	Joss	NF-PM1	B1=1382260
2009-01-25	Sturle Sunde	NF	no factor from 2^59 to 2^60
2008-12-29	Sturle Sunde	NF	no factor from 2^58 to 2^59