329 941 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
100198224127058513546957874433	30	96.3	2019-03-21 18:10:15

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	616 / 640

Estimated T-Level: 29.8 ⓘ

TF below 2^94 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		David Slowinski	4593	0
Verified (Factored)		Unknown	4593	0
Verified (Factored)		Klaus Kastens	3379579AC762C593	0
Verified (Factored)		Eivind Triel	3379579AC762C593	108118
Verified (Factored)	2002-01-22	Dennis Pope	3379579AC762C593	319868

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-03-21	ATH	1CB0129F29354838	1	194513	5	3
Verified	2019-03-23	arnaud	1CB0129F29354838	1	292310	5	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2019-03-23	arnaud	C-PRP	M329941/100198224127058513546957874433 : 1CB0129F29354838 PRP: Verified PRP without proof (small exponent)
2019-03-21	ATH	C-PRP	M329941/100198224127058513546957874433 : 1CB0129F29354838 PRP: Verified PRP without proof (small exponent)
2019-03-21	alex	F-ECM	Factor: 100198224127058513546957874433 / (ECM curve 431, B1=250000, B2=25000000, Sigma=3561195759953107)
2018-01-27	Gordon Spence	NF	no factor from 2^64 to 2^65
2016-07-13	mikr	NF-PM1	B1=60000000, B2=3000000000, E=12
2015-12-15	Gordon Spence	NF	no factor from 2^63 to 2^64
2015-12-15	Gordon Spence	NF	no factor from 2^62 to 2^63
2015-07-23	NR	NF	no factor from 2^61 to 2^62
2013-03-28	Sid & Andy	NF	no factor from 2^60 to 2^61
2012-01-13	alpertron	NF-PM1	B1=10000000, B2=200000000, E=12
2011-08-06	Joss	NF-PM1	B1=1399025
2009-01-22	Sturle Sunde	NF	no factor from 2^59 to 2^60
2008-12-29	Sturle Sunde	NF	no factor from 2^58 to 2^59