3 452 809 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
93997843296326395029896658521	29	96.2	2021-09-07 15:01:42

ECM

Digits	B1	Curves
25	50000	43 / 280

Estimated T-Level: 20.8 ⓘ

TF below 2^64 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Vaughan Bennett	95850458C64358A1	0
Verified (Factored)	1999-07-27	David Underbakke	95850458C64358A1	404893

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-09-12	oodaira	C49637DD724EC37F	1	1564663	5	3

P-1 factors

Date	Factor	B1	B2
2021-09-07	93997843296326395029896658521	5000000	200000000

History

Date	User	Type	Result
2022-04-10	Joss	NF-PM1	B1=1000000, B2=126668850
2021-09-13	ikari	CERT	PRP Certification Proof certified good
2021-09-12	oodaira	C-PRP	M3452809/93997843296326395029896658521 : C49637DD724EC37F PRP proof power = 7 PRP: Verified Proof certified good
2021-09-07	mikr	F-PM1	Factor: 93997843296326395029896658521 / (P-1, B1=5000000, B2=200000000, E=12)
2021-01-05	axn	NF	no factor from 2^68 to 2^69
2019-02-18	TJAOI	NF	no factor from 2^67 to 2^68
2017-02-20	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-04-17	Gordon Spence	NF	no factor from 2^65 to 2^66
2015-02-07	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-07	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-09-20	HBendtz	NF-PM1	B1=500000, B2=10000000, E=12
2014-08-21	Joss	NF-PM1	B1=78589
2012-08-18	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-11-05	USAFSS	NF-PM1	B1=60000, B2=945000, E=6
2011-07-31	markr	NF	no factor to 2^62
2009-08-15	Carsten Kossendey	NF-PM1	B1=20000, B2=235000
2009-03-21	S485122	NF	no factor from 2^60 to 2^61