2LM

2^2954+1 L

Open composite · C354 · component L

Target FactorDB

NFS Planning

GNFS Murphy estimate
6.56e-24
SNFS Murphy score
2.51e-18
Preferred method
SNFS
SNFS possible
Yes
SNFS degree
6
SNFS skew
2.03710

Identifiers

Target expression
2^1477+1-2^739
Target value
4181225551418547481015633101496798752966405854264596560487246277903433305092253947693953619788285405832904625749044122385894602410968537301322345604658687215791935501733910711346483553836758488003812096636311844521922523765646010319374208721829909817867094293339562215573890760459118159012682863969915130781409629853970602685958858560363261035548001997993079268581365898194734803078538695972291252348098750753617687044823148266859876071331856385
Target link
FactorDB page
Target ID
1100000000003916919
Target changed
-
Parent query
2^2954+1
Parent ID
-
Cofactor token
C354
Imported
Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(2,14M,422L) 23633.107017513.30933153114557. C354

SNFS Polynomial

Degree
6
Murphy
2.51e-18
Skew
2.03710
Selected
Best
n: 559987860427360623049974781130261240889590547783455544182709109667641929280180275410591951407945045641667874225027459476600445766931106054691743696997202893399625578431101236363005423462761450877208727631527977497589157711247570970394880700219840222598608075529307382178783878326965715719154049518147401329468256435529194262444706204699816692874202029793
# 2^2954+1 Aurifeuillian L, difficulty: 381.10, skewness: 1.41
# cost: 5.32941e+22, est. time: 25378159.47 GHz days (not accurate yet!)
# Optimized skew: 2.03710 Murphy: 2.51e-18
skew: 2.03710
c6: 1
c5: 2
c4: -10
c3: -20
c2: 16
c1: 32
c0: 8
Y1: -40564819207303340847894502572032
Y0: 3291009114642412084309938365114701009965471731267159726697218049
type: snfs