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491 is a prime number from 401-500. 491 has 2 factors, 1 and 491. It is the 94th prime number, and the sixteenth prime number from 401-500.

491

Proofs

  • Yes — 491 can be divided by 1.
  • No — 491 cannot be divided by 2-490.
  • Yes — 491 can be divided by 491.

Relationship with other odd numbers

The numbers before

  • The previous prime number is 487.
    • 487 and 491 are four numbers apart; therefore, they are cousin primes.
  • The previous prime number before 487 is 479.
    • 481 is a composite number; it is the product of 13 and 37.

The numbers after

  • The next prime number is 499.
    • In particular, 493 is the product of 17 and 29, while 497 is divisible by 7.
  • 503 is the next prime number after 499.

Trivia