29 881 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
179287	6	17.5	old
651457504170017	15	49.2	2008-08-26 19:59:22
83357134187028156701162207	26	86.1	2009-05-10 17:34:27
13176000677894290663100195118072871	35	113.3	2017-10-03 11:06:07

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	661 / 4588

Estimated T-Level: 35.7 ⓘ

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	5F0DA2AD66B4A0B0	3	0	1	3
Verified (Factored)	2017-10-02	kkmrkkblmbrbk	5F0DA2AD66B4A0B0	3	0	1	3
Verified	2017-10-04	kkmrkkblmbrbk	C8B4B4C734BF2225	4	0	1	3
Verified	2017-10-09	Chang Chia-Tche	C8B4B4C734BF2225	4	0	1	3
Verified	2017-10-13	Oliver Kruse	C8B4B4C734BF2225	4	11125	1	3
Unverified	2020-04-17	Oliver Kruse	2C300F104D082E__	4	4115	5	3

History

Date	User	Type	Result
2023-02-15	nordi	NF-PM1	B1=3000000000, B2=925584566816910
2022-10-02	nordi	NF-PM1	B1=3000000000
2020-04-17	Oliver Kruse	C-PRP	M29881/179287/651457504170017/83357134187028156701162207/13176000677894290663100195118072871 : 2C300F104D082E__ PRP without proof (small exponent)
2017-10-13	Oliver Kruse	C-PRP	M29881/179287/651457504170017/83357134187028156701162207/13176000677894290663100195118072871 : C8B4B4C734BF2225 PRP without proof (small exponent)
2017-10-09	Chang Chia-Tche	C-PRP	M29881/known_factors : C8B4B4C734BF2225 PRP without proof (not generated)
2017-10-04	kkmrkkblmbrbk	C-PRP	M29881/179287/651457504170017/83357134187028156701162207/13176000677894290663100195118072871 : C8B4B4C734BF2225 PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M29881/179287/651457504170017/83357134187028156701162207/13176000677894290663100195118072871 : C8B4B4C734BF2225 PRP without proof (not generated)
2017-10-03	nordi	F-ECM	Factor: 13176000677894290663100195118072871 / (ECM curve 390, B1=3000000, B2=300000000)
2017-10-02	kkmrkkblmbrbk	C-PRP	M29881/179287/651457504170017/83357134187028156701162207 : 5F0DA2AD66B4A0B0 PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M29881/known_factors : 5F0DA2AD66B4A0B0 PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M29881/known_factors : 5F0DA2AD66B4A0B0 PRP without proof (not generated)
2017-01-03	kkmrkkblmbrbk	NF-PM1	B1=500000000, B2=10000000000, E=12
2009-05-10	Matthias Wurtinger	F-ECM	Factor: 83357134187028156701162207
2008-08-26	-Anonymous-	F-PM1	Factor: 651457504170017