2LM

2^2902+1 L

Open composite · C396 · component L

NFS Planning

GNFS Murphy estimate: 2.40e-26
SNFS Murphy score: 1.59e-19
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 8
SNFS skew: 0.76160

Identifiers

Target expression: 2^1451+1-2^726
Target value: 62305115929522327795857684336554985537624446366199799783337805835953851120058505947797799405281028238429198052719892895011523401900657077153360033104698169466732971396057467331684880760859824538287700662557957239775694907888646639610357028118308941778625573118584049222944229339838285535212076122569389585730491176229293488480993673227520381120341755542981940675775792516788298515023805394862320948667669655582186694460733254939531280385
Target link: FactorDB page
Target ID: 1100000000004341220
Target changed: -
Parent query: 2^2902+1
Parent ID: -
Cofactor token: C396
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(2) 133493.47628883469.12163104099116588429887217. C396

SNFS Polynomial

Polynomial

Degree: 8
Murphy: 1.59e-19
Skew: 0.76160
Selected: Best

n: 161131476434096689584385670622400712940537468966914907934469876359517498458851556596957894579937041921381276325051144189452290167795623381333636988713229554174218911337549254684504917640614858003557263126074433538798764466440861476186442993088990185330590348296420911675423480475012162027071545796850399362166475076986977017892743962835695999345252524321387112995885633117643808926026570089725293
# 2^2902+1 Aurifeuillian L, difficulty: 436.79, skewness: 0.77
# cost: 1.26416e+24, est. time: 601982971.78 GHz days (not accurate yet!)
# Optimized skew: 0.76160 Murphy: 1.59e-19
skew: 0.76160
c8: 8
c4: -4
c0: 1
Y1: -1
Y0: 3064991081731777716716694054300618367237478244367204352
type: snfs