33 563 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
20204927	8	24.3	old
369998513	9	28.5	2008-08-26 19:59:31
1828310863	10	30.8	2008-08-26 19:59:31
3900087727	10	31.9	2008-08-26 19:59:31
1351542493163675327274937	25	80.2	2010-04-27 14:22:56
5521906646830026613371879790451401	34	112.1	2018-09-30 06:56:39
2345314372876103601738328271119557449	37	120.8	2021-10-23 03:15:15

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	2715 / 4588

Estimated T-Level: 38.0 ⓘ

TF below 2^121 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-21	Oliver Kruse	E33B45AC5600E703	5	0	1	3
Verified (Factored)	2017-10-02	kkmrkkblmbrbk	E33B45AC5600E703	5	0	1	3
Verified (Factored)	2017-12-07	ATH	E33B45AC5600E703	5	27759	1	3
Verified (Factored)	2018-09-30	rucio	A0C8743E4243CEB3	6	6613	5	3
Verified (Factored)	2018-09-30	Oliver Kruse	A0C8743E4243CEB3	6	29673	5	3
Verified	2021-10-23	James Heinrich	A0C8743E4243CEB3	7	27092	5	3
Verified	2021-10-23	JackBlock	A0C8743E4243CEB3	7	27699	5	3

History

Date	User	Type	Result
2022-09-06	nordi	NF-PM1	B1=2000000000, B2=822741838248330
2022-08-11	nordi	NF-PM1	B1=2000000000
2021-10-23	JackBlock	C-PRP	M33563/20204927/369998513/1828310863/3900087727/1351542493163675327274937/5521906646830026613371879790451401/2345314372876103601738328271119557449 : A0C8743E4243CEB3 PRP: Verified PRP without proof (small exponent)
2021-10-23	James Heinrich	C-PRP	M33563/20204927/369998513/1828310863/3900087727/1351542493163675327274937/5521906646830026613371879790451401/2345314372876103601738328271119557449 : A0C8743E4243CEB3 PRP: Verified PRP without proof (small exponent)
2021-10-23	nordi	F-ECM	Factor: 2345314372876103601738328271119557449 / (ECM curve 42, B1=3000000, B2=378000000, Sigma=7311477242437710)
2018-09-30	Oliver Kruse	C-PRP	M33563/20204927/369998513/1828310863/3900087727/1351542493163675327274937/5521906646830026613371879790451401 : A0C8743E4243CEB3 PRP: Verified PRP without proof (small exponent)
2018-09-30	rucio	C-PRP	M33563/20204927/369998513/1828310863/3900087727/1351542493163675327274937/5521906646830026613371879790451401 : A0C8743E4243CEB3 PRP: Verified PRP without proof (small exponent)
2018-09-30	kkmrkkblmbrbk	F-ECM	Factor: 5521906646830026613371879790451401 / (ECM curve 12, B1=1000000, B2=100000000)
2017-12-07	ATH	C-PRP	M33563/20204927/369998513/1828310863/3900087727/1351542493163675327274937 : E33B45AC5600E703 PRP: Verified PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M33563/20204927/369998513/1828310863/3900087727/1351542493163675327274937 : E33B45AC5600E703 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M33563/20204927/369998513/1828310863/3900087727/1351542493163675327274937 : E33B45AC5600E703 PRP without proof (not generated)
2016-10-16	kkmrkkblmbrbk	NF-PM1	B1=200000000, B2=5000000000, E=12
2010-04-27	James Hintz	F-ECM	Factor: 1351542493163675327274937
2008-08-26	-Anonymous-	F	Factor: 3900087727
2008-08-26	-Anonymous-	F	Factor: 1828310863
2008-08-26	-Anonymous-	F	Factor: 369998513