3 049 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁶⁶

TF target 2⁴⁴

TF below 2^220 is very unlikely to find new factors due to ECM effort.

P-1

B1 =	1000000000000
B2 =	9223372036854775807

ECM

Estimated T-Level: 67.8 ⓘ

Status	Date	User	Residue	Shift
Verified		Unknown	76E3	0
Verified		George Woltman	178E15E4ABB8F6E3	0
Verified		Brian J. Beesley	178E15E4ABB8F6E3	0
Verified	2015-04-11	MadPoo	178E15E4ABB8F6E3	948

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2025-11-04	One Man	factor P-1 small		0.00 %	2025-11-07

History

Date	User	Type	Result
2025-02-22	Kamil Gorski	NF-PM1	B1=1000000000000, B2=10029819509743583550
2023-08-12	masser	NF-PP1	Start=6/5, B1=3140000000, B2=562060000000
2023-07-15	masser	NF-PP1	Start=190/37, B1=3140000000, B2=125600000000
2023-07-06	masser	NF-PM1	B1=216000000000, B2=407154981936502800
2022-06-26	Anton Repko	NF	no factor from 2^65 to 2^66
2021-05-13	ATH	NF-PP1	Start=2/7, B1=1000000000, B2=241000000000
2020-12-27	Anton Repko	NF	no factor from 2^64 to 2^65
2018-03-21	snme2pm1	NF	no factor from 2^63 to 2^64
2016-10-07	snme2pm1	NF	no factor from 2^62 to 2^63
2016-05-17	-Anonymous-	NF-PM1	B1=400000000000, B2=4000000000000, E=12
2016-05-08	-Anonymous-	NF-PM1	B1=200000000000, B2=2000000000000, E=12
2016-05-08	-Anonymous-	NF-PM1	B1=100000000000, B2=1000000000000, E=12
2016-02-23	LaurV	NF	no factor from 2^57 to 2^58
2015-07-16	snme2pm1	NF	no factor from 2^61 to 2^62
2015-04-11	MadPoo	C-LL	178E15E4ABB8F6E3
2015-03-17	mikr	NF-PM1	B1=40000000000, B2=2000000000000, E=12
2015-01-30	Jayder	NF-PM1	B1=3726164193, B2=242200672573, E=12
2012-09-29	bcp19	NF	no factor from 2^60 to 2^61
2011-04-19	Joss	NF-PM1	B1=10000000000
2011-01-23	monst	NF	no factor from 2^58 to 2^60

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