3 200 213 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷¹

TF target 2⁶⁴

TF below 2^80 is very unlikely to find new factors due to ECM effort.

P-1

B1 =	10000000
B2 =	40610583090

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	89 / 640

Estimated T-Level: 25.7 ⓘ

Status	Date	User	Residue	Shift
Verified		Dax Prather	2FA83A97725FEAAC	0
Verified	1998-06-28	Kenneth E. Hutchcraft III	2FA83A97725FEAAC	0
Verified	1999-11-04	Steve Eberling	2FA83A97725FEAAC	1335308

History

Date	User	Type	Result
2025-05-08	Joss	NF-PM1	B1=10000000, B2=40610583090
2025-05-08	Joss	NF-PM1	B1=10000000, B2=30463215090
2025-02-27	Joss	NF-PM1	B1=10000000, B2=20315847090
2025-02-27	Joss	NF-PM1	B1=10000000, B2=10168479090
2022-10-14	Joss	NF-PM1	B1=1000000, B2=1011902430
2022-09-30	Joss	NF-PM1	B1=1000000, B2=118249950
2016-01-06	ramgeis	NF	no factor from 2^70 to 2^71
2014-11-18	BloodIce	NF-PM1	B1=100000000, B2=10000000000, E=12
2014-11-12	BloodIce	NF	no factor from 2^69 to 2^70
2014-11-12	BloodIce	NF	no factor from 2^68 to 2^69
2014-11-10	BloodIce	NF-PM1	B1=40000000
2014-11-09	BloodIce	NF-PM1	B1=20000000
2014-11-09	BloodIce	NF-PM1	B1=10000000
2014-10-19	BloodIce	NF	no factor from 2^67 to 2^68
2014-10-19	BloodIce	NF	no factor from 2^66 to 2^67
2014-10-19	BloodIce	NF	no factor from 2^65 to 2^66
2014-10-12	BloodIce	NF	no factor from 2^64 to 2^65
2014-10-12	BloodIce	NF	no factor from 2^63 to 2^64
2014-10-12	BloodIce	NF-PM1	B1=4000000, B2=400000000, E=12
2014-08-21	Joss	NF-PM1	B1=85592
2013-01-03	dbaugh	NF	no factor from 2^62 to 2^63
2008-11-09	Matthias Wurtinger	NF	no factor from 2^61 to 2^62
2008-11-09	Matthias Wurtinger	NF	no factor from 2^60 to 2^61

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