2 714 983 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷⁰

TF target 2⁶³

TF below 2^75 is very unlikely to find new factors due to ECM effort.

P-1

B1 =	10000000
B2 =	10050107760

ECM

Digits	B1	Curves
25	50000	237 / 280

Estimated T-Level: 24.2 ⓘ

Status	Date	User	Residue	Shift
Verified		Bob Ernst	E1B41F06FB30ED3A	0
Verified	1999-04-13	Stephen Wood	E1B41F06FB30ED3A	206317
Verified	2018-08-04	kkmrkkblmbrbk	E1B41F06FB30ED3A	1018132

History

Date	User	Type	Result
2025-03-05	Joss	NF-PM1	B1=10000000, B2=10050107760
2023-02-08	Architects Cubed	NF-PM1	B1=5000000, B2=8367545550
2023-01-01	Architects Cubed	NF	no factor from 2^69 to 2^70
2021-05-31	TJAOI	NF	no factor from 2^68 to 2^69
2021-02-15	Numberwang	NF-PM1	B1=145000, B2=4570000, E=6
2019-02-11	chuenkit	NF	no factor from 2^67 to 2^68
2018-08-04	kkmrkkblmbrbk	C-LL	E1B41F06FB30ED3A
2017-09-29	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-09-22	mikr	NF-PM1	B1=2700000, B2=84000000, E=12
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2016-01-30	ramgeis	NF	no factor from 2^65 to 2^66
2015-04-13	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-13	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-14	dbaugh	NF	no factor from 2^62 to 2^63
2012-04-28	Grant McCracken	NF	no factor from 2^61 to 2^62
2011-04-21	James Heinrich	NF-PM1	B1=185000, B2=4578750, E=6
2011-01-18	Joss	NF-PM1	B1=50000
2010-12-28	Joss	NF-PM1	B1=30000
2010-12-19	Joss	NF-PM1	B1=20000
2009-01-28	Sturle Sunde	NF	no factor from 2^60 to 2^61

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