3 052 099 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
15921087982182287926159	23	73.8	2013-10-15 20:21:22

ECM

Digits	B1	Curves
25	50000	8 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Paul Iverson	9FF0DD7F93AFA8AA	0
Verified (Factored)	1999-07-12	Mikael Billberg	9FF0DD7F93AFA8AA	1410375

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-28	Oliver Kruse	78ACFCA620AB8844	1	19211	5	3
Verified	2017-12-11	kkmrkkblmbrbk	78ACFCA620AB8844	1	2149764	5	3

History

Date	User	Type	Result
2022-09-07	Joss	NF-PM1	B1=1055209, B2=226749600
2022-03-12	LordJulius	NF	no factor from 2^66 to 2^67
2022-03-12	LordJulius	NF	no factor from 2^65 to 2^66
2022-03-12	LordJulius	NF	no factor from 2^64 to 2^65
2022-03-12	LordJulius	NF	no factor from 2^63 to 2^64
2022-01-23	Joss	NF-PM1	B1=1055209, B2=119912100
2021-12-15	Joss	NF	no factor from 2^68 to 2^69
2021-05-17	Joss	NF	no factor from 2^67 to 2^68
2021-01-17	Joss	NF-PM1	B1=305209, B2=3052099, E=6
2017-12-11	kkmrkkblmbrbk	C-PRP	M3052099/15921087982182287926159 : 78ACFCA620AB8844 PRP: Verified PRP without proof (not generated)
2017-10-28	Oliver Kruse	C-PRP	M3052099/15921087982182287926159 : 78ACFCA620AB8844 PRP: Verified PRP without proof (not generated)
2013-10-15	bam	F-ECM	Factor: 15921087982182287926159
2013-01-07	dbaugh	NF	no factor from 2^62 to 2^63
2011-03-21	Sid & Andy	NF	no factor from 2^61 to 2^62
2010-10-05	markr	NF-PM1	B1=110000, B2=2447500, E=6
2009-02-13	Sturle Sunde	NF	no factor from 2^60 to 2^61