2+(4k)

2^1484+1

Open composite · C366

NFS Planning

GNFS Murphy estimate: 1.32e-24
SNFS Murphy score: 1.90e-18
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 6
SNFS skew: 1.43198

Identifiers

Target expression: 2^1484+1
Target link: FactorDB page
Target ID: 1000000000012151508
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C366
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(4,28,212) 43435558097. C366

SNFS Polynomial

Polynomial

Degree: 6
Murphy: 1.90e-18
Skew: 1.43198
Selected: Best

n: 118554520867319763634619705914405083197162647963741751387062886836967734706800091358477420663752315376106745972437498163439889474720266387898522301061634068278326368804230193831255107717396115276943245199628140540245473629473669367926737157334087088576775911717320311459350631796053619517061262775682109654926944973048318777332670719567204460697894780659262151071553
# 2^1484+1, difficulty: 382.91, skewness: 1.00
# cost: 5.93078e+22, est. time: 28241808.89 GHz days (not accurate yet!)
# Optimized skew: 1.43198 Murphy: 1.90e-18
skew: 1.43198
c6: 1
c5: -1
c4: 1
c3: -1
c2: 1
c1: -1
c0: 1
Y1: -1
Y0: 6582018229284824168619876730229402019930943462534319453394436096
type: snfs