101 429 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 2⁶⁸

TF target 2⁴⁴

TF below 2^117 is very unlikely to find new factors due to ECM effort.

P-1

B1 =	10000000000
B2 =	879161696813400

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	1673 / 4588

Estimated T-Level: 36.8 ⓘ

Status	Date	User	Residue	Shift
Verified		Unknown	1A62	0
Verified		Robert Clark	3CCDD3EF92E11A62	0
Verified		Brian J. Beesley	3CCDD3EF92E11A62	0
Verified		Eivind Triel	3CCDD3EF92E11A62	20647
Verified	2016-06-01	MadPoo	3CCDD3EF92E11A62	85798

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2024-04-13	-Anonymous-	factor ECM small		0.00 %	2024-04-13
2024-04-03	-Anonymous-	factor ECM small		0.00 %	2024-04-03

History

Date	User	Type	Result
2023-08-31	masser	NF-PP1	Start=6/5, B1=60000000, B2=4740000000
2023-08-29	masser	NF-PP1	Start=142/61, B1=60000000, B2=4740000000
2022-12-08	Oliver Kruse	NF-PM1	B1=10000000000, B2=879161696813400
2022-04-15	Gordon Spence	NF	no factor from 2^67 to 2^68
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2021-04-29	Oliver Kruse	NF-PP1	Start=2/7, B1=50000000, B2=7050000000
2020-01-23	Yxinity	NF	no factor from 2^66 to 2^67
2019-05-15	Yxinity	NF	no factor from 2^65 to 2^66
2018-02-18	BloodERazor	NF	no factor from 2^64 to 2^65
2016-12-04	mikr	NF-PM1	B1=350000000, B2=25500000000, E=12
2016-06-01	MadPoo	C-LL	3CCDD3EF92E11A62
2016-02-23	Mark Rose	NF	no factor from 2^57 to 2^58
2016-02-17	Gordon Spence	NF	no factor from 2^63 to 2^64
2016-02-04	monsted	NF	no factor from 2^62 to 2^63
2015-07-16	NR	NF	no factor from 2^61 to 2^62
2012-11-22	alpertron	NF-PM1	B1=100000000, B2=2000000000, E=12
2012-03-01	Richard B. Woods	NF	no factor from 2^60 to 2^61
2009-02-03	monst	NF	no factor from 2^59 to 2^60
2009-01-06	Sturle Sunde	NF	no factor from 2^58 to 2^59