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397 is a prime number from 301-400. 397 has 2 factors, 1 and 397. It is the 78th prime number, and the sixteenth and last prime number from 301-400.
397

ProofsEdit

  • Yes — 397 can be divided by 1.
  • No — 397 cannot be divided by 2-396.
  • Yes — 397 can be divided by 397.


Relationship with other odd numbersEdit

The numbers beforeEdit

  • The previous prime number is 389.
    • In particular, 391 is not a prime number, because it is the product of 17 and 23.
  • The previous prime number before 389 is 383.

The numbers afterEdit

  • The next prime number is 401.
    • 397 and 401 are four numbers apart; therefore, they are cousin primes.
  • 409 is the next prime number after 401.
    • 403 is divisible by 13 and 31, while 407 is divisible by 11 and 37.

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