4 109 953 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
3587151051479153574287	22	71.6	2021-09-04 11:41:35

ECM

Digits	B1	Curves
25	50000	56 / 280

Estimated T-Level: 21.0 ⓘ

TF below 2^65 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1998-10-04	Paulo J. B. Mendes	1C97BC29595DB900	0
Verified (Factored)	2000-04-19	Stephen Wood	1C97BC29595DB900	907993

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-09-04	ATH	470A1AD7A9DBD61D	1	3899579	5	3

History

Date	User	Type	Result
2021-09-04	Miika Wallius	CERT	PRP Certification Proof certified good
2021-09-04	ATH	C-PRP	M4109953/3587151051479153574287 : 470A1AD7A9DBD61D PRP proof power = 7 PRP: Verified Proof certified good
2021-09-04	ATH	F-PP1	Start=2/7, B1=2500000, B2=167500000, Factor: 3587151051479153574287
2021-07-12	axn	NF-PM1	B1=13000000, B2=650000000
2021-05-26	axn	NF	no factor from 2^69 to 2^70
2021-05-26	axn	NF	no factor from 2^68 to 2^69
2021-04-28	King	NF-PM1	B1=1600000, B2=60000000, E=12
2020-11-24	Carlos Pinho	NF-PM1	B1=151000, B2=3961000, E=6
2018-11-19	Yxinity	NF	no factor from 2^67 to 2^68
2017-12-12	Yxinity	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-05-31	snme2pm1	NF	no factor from 2^65 to 2^66
2013-10-17	David Campeau	NF	no factor from 2^64 to 2^65
2013-09-06	Jayder	NF	no factor from 2^63 to 2^64
2013-06-18	Squeeky_Squirrel	NF-PM1	B1=125000, B2=2343750, E=6
2011-08-01	USAFSS	NF-PM1	B1=40000, B2=580000
2011-07-01	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-11-25	Grant McCracken	NF	no factor from 2^61 to 2^62
2009-07-24	Carsten Kossendey	NF-PM1	B1=20000, B2=300000