11+

11^781+1 M

Open composite · C297 · component M

Target FactorDB

NFS Planning

GNFS Murphy estimate
1.33e-20
SNFS Murphy raw
1.73e-19
SNFS Murphy normalized (deg 6)
2.77e-19
Preferred method
SNFS
SNFS possible
Yes
SNFS degree
5
SNFS skew
5.62428

Identifiers

Target expression
11^781+1 M
Target value
4947698547772841376941177090221030984725928232519861372649955340452156848944980448702020439705774219444917788398637842425455023498896307695180744451817702124467159463061873059308107512158749865385846051253988208376383579398772342872219500692697481283982364931760696784229836796234496516469492828892356721172621996845083391601506417128813208652989485097625994706710266603
Target link
FactorDB page
Target ID
1100000000203014998
Target changed
Before 6/8/2026
Parent query
11^781+1
Parent ID
1000000000017214699
Cofactor token
C297
Imported
Jun 07, 2026, 01:43 AM UTC

Raw pmain126 Factorization

(11L) 256169.2597867799339441395009.172904822710621729068666421370025707620633.C297

SNFS Polynomial

Degree
5
Raw Murphy
1.73e-19
Normalized (deg 6)
2.77e-19
Skew
5.62428
Selected
Best
n: 736690607545897878986409136095343235450595089562862950861141204099674964425237622405347096290977089361019351532915765995936666329057291058305004981492611024344973901127023644609895687903059934932696247796302348040761910230842084994903311756560254025890997821301934963778940842442637986847292816213
# 11^781+1 Aurifeuillian M, difficulty: 369.69, skewness: 4.22
# cost: 2.69315e+22, est. time: 12824519.65 GHz days (not accurate yet!)
# Optimized skew: 5.62428 Murphy: 1.73e-19
skew: 5.62428
c5: 1
c4: 11
c2: -363
c1: -1331
c0: -1331
Y1: -2810243684806424785061213903353404851
Y0: 86872165247938313917618876629552908322948028701285264656288400841813654212
type: snfs