It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 73 996 is not a prime number.
For example, 73 996 can be divided by 2: 73 996 / 2 = 36 998.
For 73 996 to be a prime number, it would have been required that 73 996 has only two divisors, i.e., itself and 1.
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73 996 is an even number, because it is evenly divisible by 2: 73 996 / 2 = 36 998.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 73 996 is about 272.022.
Thus, the square root of 73 996 is not an integer, and therefore 73 996 is not a square number.
The square of a number (here 73 996) is the result of the product of this number (73 996) by itself (i.e., 73 996 × 73 996); the square of 73 996 is sometimes called "raising 73 996 to the power 2", or "73 996 squared".
The square of 73 996 is 5 475 408 016 because 73 996 × 73 996 = 73 9962 = 5 475 408 016.
As a consequence, 73 996 is the square root of 5 475 408 016.
The multiples of 73 996 are all integers evenly divisible by 73 996, that is all numbers such that the remainder of the division by 73 996 is zero. There are infinitely many multiples of 73 996. The smallest multiples of 73 996 are: