233 747 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
43476943	8	25.4	old
532300426227820549498020586201	30	98.7	2017-09-08 12:44:57
24713315483628402615795891408183812023	38	124.2	2021-07-02 07:54:06

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	520 / 640

Estimated T-Level: 29.1 ⓘ

TF below 2^92 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-22	Oliver Kruse	61BA963156A3B2C4	2	0	1	3
Verified (Factored)	2017-09-28	alpertron	61BA963156A3B2C4	2	0	1	3
Verified (Factored)	2017-12-07	ATH	61BA963156A3B2C4	2	33442	1	3
Verified (Factored)	2020-04-17	Oliver Kruse	C1DF770F4B3D205D	2	86142	5	3
Verified	2021-07-02	firejuggler	C1DF770F4B3D205D	3	89266	5	3
Verified	2021-07-03	marssystems	C1DF770F4B3D205D	3	166231	5	3

P-1 factors

Date	Factor	B1	B2
2021-07-02	24713315483628402615795891408183812023	30000000	30000000

History

Date	User	Type	Result
2022-12-18	kracker	F-ECM	Factor: 43476943 / (ECM curve 1, B1=250000, B2=36250000, Sigma=1533316850369873)
2022-03-28	Oliver Kruse	NF-PM1	B1=30000000, B2=10070832992220
2021-07-05	Oliver Kruse	NF-PM1	B1=30000000, B2=3000000000, E=24
2021-07-03	The Gold Tooth	CERT	PRP Certification Proof certified good
2021-07-03	marssystems	C-PRP	M233747/43476943/532300426227820549498020586201/24713315483628402615795891408183812023 : C1DF770F4B3D205D PRP proof power = 5 PRP: Verified Proof certified good
2021-07-02	GAN	CERT	PRP Certification Proof certified good
2021-07-02	firejuggler	C-PRP	M233747/43476943/532300426227820549498020586201/24713315483628402615795891408183812023 : C1DF770F4B3D205D PRP proof power = 5 PRP: Verified Proof certified good
2021-07-02	Oliver Kruse	F-PM1	Factor: 24713315483628402615795891408183812023 / (P-1, B1=30000000)
2020-04-17	Oliver Kruse	C-PRP	M233747/43476943/532300426227820549498020586201 : C1DF770F4B3D205D PRP: Verified (Factored) PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M233747/43476943/532300426227820549498020586201 : 61BA963156A3B2C4 PRP: Verified (Factored) PRP without proof (small exponent)
2017-09-28	alpertron	C-PRP	M233747/43476943/532300426227820549498020586201 : 61BA963156A3B2C4 PRP: Verified (Factored) PRP without proof (not generated)
2017-09-22	Oliver Kruse	C-PRP	M233747/43476943/532300426227820549498020586201 : 61BA963156A3B2C4 PRP: Verified (Factored) PRP without proof (not generated)
2017-09-22	Oliver Kruse	C-PRP	M233747/43476943/532300426227820549498020586201 : 61BA963156A3B2C4 PRP without proof (not generated)
2017-09-08	TJAOI	F-ECM	Factor: 532300426227820549498020586201 / (ECM curve 40, B1=250000, B2=25000000)