1 163 473 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
14103267838208525842972753	26	83.5	2015-12-02 16:40:57

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		David Slowinski	1FB8	0
Verified (Factored)		Len Ruth	921CEE5C11A73FB8	0
Verified (Factored)	2002-07-27	Ethan O'Connor	921CEE5C11A73FB8	175540

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-29	Oliver Kruse	AE36943F0FD05AF7	1	0	1	3
Verified	2017-10-17	Oliver Kruse	AE36943F0FD05AF7	1	687786	1	3
Verified	2018-01-05	ATH	AE36943F0FD05AF7	1	702957	1	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^58 to 2^60
2018-01-05	ATH	C-PRP	M1163473/14103267838208525842972753 : AE36943F0FD05AF7 PRP: Verified PRP without proof (not generated)
2017-10-17	Oliver Kruse	C-PRP	M1163473/14103267838208525842972753 : AE36943F0FD05AF7 PRP: Verified PRP without proof (not generated)
2017-09-29	Oliver Kruse	C-PRP	M1163473/14103267838208525842972753 : AE36943F0FD05AF7 PRP: Verified PRP without proof (not generated)
2015-12-02	bam	F-ECM	Factor: 14103267838208525842972753 / (ECM curve 1, B1=50000, B2=5000000)
2015-09-17	omylist	NF	no factor from 2^65 to 2^66
2015-01-03	lycorn	NF	no factor from 2^64 to 2^65
2014-12-31	Matthias Wurtinger	NF	no factor from 2^63 to 2^64
2012-10-11	dbaugh	NF	no factor from 2^62 to 2^63
2012-02-05	markr	NF-PM1	B1=500000, B2=10000000, E=12
2011-05-09	Xyzzy	NF	no factor from 2^61 to 2^62
2009-04-09	Sturle Sunde	NF	no factor from 2^60 to 2^61