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CodeSignal

Breaking Numbers Into Primes

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Overview

You'll learn to break any composite number into its prime factors using factor trees and repeated division, then express the result compactly and clearly using index notation.

Syllabus

  • Unit 1: Understanding Prime Factorisation
    • Prime Factorization Practice
    • Find Number From Prime Factors
    • Finding Prime Factorisation
    • Explain Prime Factorization Paths
  • Unit 2: Building Factor Trees
    • Complete The Factor Tree Statements
    • Finding Prime Factors From Trees
    • Read Prime Factors From Trees
    • Explain A Factor Tree
  • Unit 3: Repeated Division Method
    • Complete The Prime Division Statements
    • Determine Prime Factors By Division
    • Read Prime Factors From Division
    • Choosing Prime Factor Methods
  • Unit 4: Using Index Notation
    • Match Prime Factors And Powers
    • Complete Index Form Statements
    • Find Prime Factors In Index
    • Determine Number From Prime Factors

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