2LM

2^2902+1 M

Open composite · C384 · component M

NFS Planning

GNFS Murphy estimate: 1.19e-25
SNFS Murphy score: 1.32e-19
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 8
SNFS skew: 0.73518

Identifiers

Target expression: 2^1451+1+2^726
Target value: 62305115929522327795857684336554985537624446366199799783337805835953851120058505947797799405281028238429198052719892895011523401900657077153360033104698169466732971396057467331684880760859824538287700662557957239775695613892136316664731265395519492935591410957062012117325400190321001208669666422194366054210739983728536212947368244226664911944558225140718847314047914253314906214046676073892464106685792831464117633800602963572122714113
Target link: FactorDB page
Target ID: 1100000000004341221
Target changed: -
Parent query: 2^2902+1
Parent ID: -
Cofactor token: C384
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

6163849.12196630073.12358509437.4258040158189.16322408591129. C384

SNFS Polynomial

Polynomial

Degree: 8
Murphy: 1.32e-19
Skew: 0.73518
Selected: Best

n: 964876599799974475807306155429270541341203386611820075136161884251492614403253679651557272196962324511060837702868898895805586212935029532123872135266090439734394666865329696134263458511708940034549377123483204701578520370990214183282098408148666496483663464346187458492372030912313440252253306189791472623042219461539683680016445992884561343154274782420062843417011403271392809873777
# 2^2902+1 Aurifeuillian M, difficulty: 436.79, skewness: 0.77
# cost: 1.26416e+24, est. time: 601982971.78 GHz days (not accurate yet!)
# Optimized skew: 0.73518 Murphy: 1.32e-19
skew: 0.73518
c8: 8
c4: 4
c0: 1
Y1: -1
Y0: 3064991081731777716716694054300618367237478244367204352
type: snfs