Number 676 is not a prime number. It is a composite number.

A prime number is a natural number greater than 1 that is not a product of two smaller natural numbers. We do not consider 676 as a prime number, because it can be written as a product of two smaller natural numbers (check the factors of number 676 below).

Number of factors: 9.

List of factors/divisors: 1, 2, 4, 13, 26, 52, 169, 338, 676.

Parity: 676 is an even number. It means it is divisible by 2 with no remainder.

Perfect square: yes, because 676=26^{2} (a square number or perfect square is an integer that is the square of an integer).

Perfect number: no, because the sum of its proper divisors is 605 (perfect number is a positive integer that is equal to the sum of its proper divisors).

Number: Prime number: | 669 no | 670 no | 671 no | 672 no | 673 yes | 674 no | 675 no | 676 no | 677 yes | 678 no | 679 no | 680 no | 681 no | 682 no | 683 yes |
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