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647 is a prime number from 601-700. 647 has 2 factors, 1 and 647. It is the 118th prime number, and the ninth prime number from 601-700. 
647

ProofsEdit

  • Yes — 647 can be divided by 1.
  • No — 647 cannot be divided by 2-646.
  • Yes — 647 can be divided by 647.

Relationship with other odd numbersEdit

The numbers beforeEdit

  • The previous prime number is 643.
    • 643 and 647 are four numbers apart; therefore, they are cousin primes.
  • The previous prime number before 643 is 641.
    • 641 and 647 are six numbers apart; therefore, they are sexy primes.

The numbers afterEdit

  • The next prime number is 653.
    • 647 and 653 are six numbers apart; therefore, they are sexy primes.
    • 649 is divisible by 11, therefore not a prime number.
  • 659 is the next prime number after 653.

TriviaEdit

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