29 863 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

TF

No factors below 2⁶⁶

TF target 2⁴⁴

TF below 2^149 is very unlikely to find new factors due to ECM effort.

P-1

B1 =	8000000000
B2 =	2253172624873170

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	9201 / 9201
50	44000000	4836 / 16550

Estimated T-Level: 46.5 ⓘ

Status	Date	User	Residue	Shift
Verified		Unknown	4E88	0
Verified		George Woltman	3E77D8265D14CE88	0
Verified		Brian J. Beesley	3E77D8265D14CE88	0
Verified	2015-04-11	MadPoo	3E77D8265D14CE88	29473

History

Date	User	Type	Result
2023-08-22	masser	NF-PP1	Start=6/5, B1=240000000, B2=42960000000
2023-07-29	masser	NF-PM1	B1=8000000000, B2=2253172624873170
2023-07-06	masser	NF-PP1	Start=135/43, B1=240000000, B2=9600000000
2021-05-07	ATH	NF-PP1	Start=2/7, B1=500000000, B2=101500000000
2020-05-12	Yxinity	NF	no factor from 2^65 to 2^66
2020-05-12	Yxinity	NF	no factor from 2^65 to 2^66
2019-07-26	Yxinity	NF	no factor from 2^64 to 2^65
2019-07-26	Yxinity	NF	no factor from 2^64 to 2^65
2018-05-27	Yxinity	NF	no factor from 2^63 to 2^64
2018-05-26	Yxinity	NF	no factor from 2^63 to 2^64
2017-06-22	mikr	NF-PM1	B1=12000000000, B2=960000000000, E=12
2016-10-20	Sid & Andy	NF	no factor from 2^62 to 2^63
2016-02-23	LaurV	NF	no factor from 2^57 to 2^58
2015-04-11	MadPoo	C-LL	3E77D8265D14CE88
2013-11-08	David Campeau	NF-PM1	B1=200755000, B2=10640015000, E=12
2012-04-02	bcp19	NF	no factor from 2^61 to 2^62
2012-04-02	bcp19	NF	no factor from 2^60 to 2^61
2009-02-08	Sturle Sunde	NF	no factor from 2^59 to 2^60
2009-01-18	Sturle Sunde	NF	no factor from 2^58 to 2^59