35 747 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
1556924839	10	30.5	old
411255665896020314386416694985033	33	108.3	2019-10-23 14:57:54
207896814169003519012117324412638365148769	42	137.3	2020-06-23 05:55:02

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	777 / 4588

Estimated T-Level: 35.8 ⓘ

TF below 2^114 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	D4984B5D3E9F17C5	1	0	1	3
Verified (Factored)	2017-10-12	kkmrkkblmbrbk	D4984B5D3E9F17C5	1	16876	1	3
Verified (Factored)	2019-10-24	Niels_Mache_Nextcloud	47A5B8ACEF5D86B0	2	35082	5	3
Verified (Factored)	2019-10-24	chuenkit	47A5B8ACEF5D86B0	2	8807	5	3
Verified (Factored)	2019-10-24	marssystems	47A5B8ACEF5D86B0	2	4630	5	3
Verified	2020-06-23	M Miller	47A5B8ACEF5D86B0	3	25382	5	3

History

Date	User	Type	Result
2022-04-10	nordi	NF-PM1	B1=2000000000, B2=408370353971580
2022-03-18	nordi	NF-PM1	B1=2000000000
2021-05-09	ATH	NF-PP1	Start=2/7, B1=100000000, B2=10000000000
2020-06-23	M Miller	C-PRP	M35747/1556924839/411255665896020314386416694985033/207896814169003519012117324412638365148769 : 47A5B8ACEF5D86B0 PRP: Verified PRP without proof (small exponent)
2020-06-23	nordi	F-ECM	Factor: 207896814169003519012117324412638365148769 / (ECM curve 8, B1=1000000, B2=100000000, Sigma=4161030068719683)
2019-10-24	marssystems	C-PRP	M35747/1556924839/411255665896020314386416694985033 : 47A5B8ACEF5D86B0 PRP: Verified PRP without proof (small exponent)
2019-10-24	chuenkit	C-PRP	M35747/1556924839/411255665896020314386416694985033 : 47A5B8ACEF5D86B0 PRP: Verified PRP without proof (small exponent)
2019-10-24	Niels_Mache_Nextcloud	C-PRP	M35747/1556924839/411255665896020314386416694985033 : 47A5B8ACEF5D86B0 PRP: Verified PRP without proof (small exponent)
2019-10-23	Niels_Mache_Nextcloud	F-ECM	Factor: 411255665896020314386416694985033 / (ECM curve 1, B1=1000000, B2=100000000, Sigma=6997170857493032)
2017-10-12	kkmrkkblmbrbk	C-PRP	M35747/1556924839 : D4984B5D3E9F17C5 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M35747/1556924839 : D4984B5D3E9F17C5 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M35747/1556924839 : D4984B5D3E9F17C5 PRP without proof (not generated)
2016-10-24	kkmrkkblmbrbk	NF-PM1	B1=200000000, B2=5000000000, E=12