Definition, Meaning & Synonyms

prime number

Noun
/praɪm ˈnʌm.bər/
Definition
A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.
Examples
  • 2 is the smallest prime number.
  • 7 is a prime number because its only divisors are 1 and 7.
  • The numbers 3, 5, 11, and 13 are all prime numbers.
Meaning
In other words, a prime number is only divisible by 1 and itself.
Synonyms
  • Prime integer
  • Irreducible numeral