This calculator performs the decomposition of a number into its prime factors and lists all its natural divisors. Enter an integer between 1 and 1,000,000.
1) Relation to multiples of 6: Every prime number greater than 3 is always one less or one more than a multiple of 6.
Example: `66617` is 1 less than `66618` (multiple of 6).
2) Square minus 1 divisible by 24: For every prime number greater than 3, if 1 is subtracted from its square, the result is always divisible by 24.
Example: The square of `66617` is `4437824689`. Subtracting 1, we get `4437824688`. Note that `4437824688 ÷ 24 = 184909362`.
3) Difference of squares: Every prime number greater than 2 can be expressed as the difference of the squares of two consecutive natural numbers.
Example: `66617 = 33309^2 - 33308^2 = 1109489481 - 1109422864`
4) Sum of two squares: Every prime number of the form `4n+1` (where n is a positive natural number) can be expressed as the sum of two squares.
Example: `66617 = 181^2 + 184^2 = 32761 + 33856`, where `66617 = 4 × 16654 + 1`.
5) Form `4n+1` or `4n-1`: Except for the number 2, all prime numbers follow the pattern `4n+1` or `4n-1`, where `n` is a natural number.
Example: `66617` is of the form `4n+1`, where `n = 16654`.
PORTUGUESE
ENGLISH
SPANISH
FRENCH
GERMAN
CHINESE