33 767 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
6280663	7	22.6	old
95231854489	11	36.5	2008-08-26 19:59:31
1497168407982658487	19	60.4	2008-08-29 02:24:48
255411421639452609191095738320961	33	107.7	2018-10-07 12:43:17
36299141921154258883527858627976043609	38	124.8	2024-01-14 11:36:45
650046686994889246627402023504428389192786841	45	148.9	2016-12-06 01:06:48

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	1131 / 4588

Estimated T-Level: 36.2 ⓘ

TF below 2^115 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	F8C0C636F6903EAB	4	0	1	3
Verified (Factored)	2017-10-02	kkmrkkblmbrbk	F8C0C636F6903EAB	4	0	1	3
Verified (Factored)	2017-12-07	ATH	F8C0C636F6903EAB	4	16285	1	3
Verified (Factored)	2018-10-08	-Anonymous-	8A1B4FD7C2E8FE35	5	13162	5	3
Verified (Factored)	2018-10-08	-Anonymous-	8A1B4FD7C2E8FE35	5	24412	5	3
Verified (Factored)	2018-10-11	Justine V.	8A1B4FD7C2E8FE35	5	28901	5	3
Verified	2024-01-14	masser	8A1B4FD7C2E8FE35	6	23672	5	3

P-1 factors

Date	Factor	B1	B2
2016-12-06	650046686994889246627402023504428389192786841	200000000	3042115842738

History

Date	User	Type	Result
2024-01-14	masser	C-PRP	M33767/6280663/95231854489/1497168407982658487/650046686994889246627402023504428389192786841/255411421639452609191095738320961/36299141921154258883527858627976043609 : 8A1B4FD7C2E8FE35 PRP: Verified PRP without proof (small exponent)
2024-01-14	masser	F-ECM	Factor: 36299141921154258883527858627976043609 / (ECM curve 12, B1=3586374, B2=18010582590, Edwards Sigma=1162286090729446)
2022-09-07	nordi	NF-PM1	B1=2000000000, B2=411370914274320
2022-07-22	nordi	NF-PM1	B1=2000000000
2018-10-11	Justine V.	C-PRP	M33767/6280663/95231854489/1497168407982658487/650046686994889246627402023504428389192786841/255411421639452609191095738320961 : 8A1B4FD7C2E8FE35 PRP: Verified PRP without proof (small exponent)
2018-10-08	-Anonymous-	C-PRP	M33767/6280663/95231854489/1497168407982658487/255411421639452609191095738320961/650046686994889246627402023504428389192786841 : 8A1B4FD7C2E8FE35 PRP: Verified PRP without proof (small exponent)
2018-10-08	-Anonymous-	C-PRP	M33767/6280663/95231854489/1497168407982658487/255411421639452609191095738320961/650046686994889246627402023504428389192786841 : 8A1B4FD7C2E8FE35 PRP: Verified PRP without proof (small exponent)
2018-10-07	kkmrkkblmbrbk	F-ECM	Factor: 255411421639452609191095738320961 / (ECM curve 247, B1=1000000, B2=100000000)
2017-12-07	ATH	C-PRP	M33767/6280663/95231854489/1497168407982658487/650046686994889246627402023504428389192786841 : F8C0C636F6903EAB PRP: Verified PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M33767/6280663/95231854489/1497168407982658487/650046686994889246627402023504428389192786841 : F8C0C636F6903EAB PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M33767/known_factors : F8C0C636F6903EAB PRP without proof (not generated)
2016-12-06	kkmrkkblmbrbk	F-PM1	Factor: 650046686994889246627402023504428389192786841 / (P-1, B1=200000000, B2=3042115842738)
2016-10-16	kkmrkkblmbrbk	NF-PM1	B1=200000000, B2=5000000000, E=12
2008-08-29	-Anonymous-	F-ECM	Factor: 1497168407982658487
2008-08-26	-Anonymous-	F	Factor: 95231854489