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prime number

1 of 1noun
/ˈpɹaɪm ˈnʌmbɚ/
Forms:prime numbers
1

a number greater than 1 with only two devisors which can be itself or 1

  • 7 is a prime number because its only divisors are 1 and 7.
  • Cryptography relies on the properties of prime numbers for secure encryption.
  • The number 15 is not a prime number (divisible by 3 and 5).
  • Mathematicians study the distribution of prime numbers among integers.
  • The largest known prime number (as of 2023) has over 24 million digits.