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421 is a prime number from 401-500. 421 has 2 factors, 1 and 421. It is the 82nd prime number, and the fourth prime number from 401-500.

ProofsEdit

  • Yes — 421 can be divided by 1.
  • No — 421 cannot be divided by 2-420.
  • Yes — 421 can be divided by 421.

Relationship with other odd numbersEdit

The numbers beforeEdit

  • The previous prime number is 419.
    • There are no odd numbers between 419 and 421. As a result, they are twin primes.
  • The previous prime number before 419 is 409.
    • 413 is the product of 7 and 59.

The numbers afterEdit

  • The next prime number is 431.
    • 427 is divisible by 7 and therefore not a prime.
  • 433 is the next prime number after 421.

TriviaEdit

  • In Candy Crush Saga, 419 and 421 are insanely hard levels, while they are a twin prime pair.

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