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Prime Numbers vs Composite Numbers — Difference (with Table & FAQs)

Prime and composite numbers are fundamental classifications in mathematics, important for CBSE Class 6 onwards. Understanding them is essential for number

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TL;DR: Prime and composite numbers are fundamental classifications in mathematics, important for CBSE Class 6 onwards. Understanding them is essential for nu…

Written & reviewed by the Syllab.in Academic Team (CBSE/NCERT subject experts) · Updated Jul 23, 2026

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The main difference between Prime Numbers and Composite Numbers: Prime and composite numbers are fundamental classifications in mathematics, important for CBSE Class 6 onwards. Understanding them is essential for number

Prime Numbers vs Composite Numbers — Comparison Table

BasisPrime NumbersComposite Numbers
DefinitionNatural number with exactly 2 factorsNatural number with more than 2 factors
Factors1 and the number itself1, itself, and other numbers
DivisibilityDivisible only by 1 and itselfDivisible by multiple numbers
Examples2, 3, 5, 7, 11, 13, 17, 194, 6, 8, 9, 10, 12, 14, 15
Is 1 included?No, 1 is neither prime nor compositeNo, 1 is neither prime nor composite

Key Points

  • Prime numbers have exactly two factors: 1 and itself
  • Composite numbers have at least three factors
  • 2 is the only even prime number
  • Prime numbers are building blocks for all other numbers through factorization

More Maths Comparisons

  • Difference Between Rational and Irrational Numbers
  • Difference Between Area and Perimeter
  • Difference Between Square and Rectangle
  • Difference Between Square and Rhombus
  • Difference Between Mean and Median
  • Difference Between Permutation and Combination

See all difference-between comparisons →

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