It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 73 744 is not a prime number.
For example, 73 744 can be divided by 2: 73 744 / 2 = 36 872.
For 73 744 to be a prime number, it would have been required that 73 744 has only two divisors, i.e., itself and 1.
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73 744 is an even number, because it is evenly divisible by 2: 73 744 / 2 = 36 872.
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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 73 744 is about 271.558.
Thus, the square root of 73 744 is not an integer, and therefore 73 744 is not a square number.
The square of a number (here 73 744) is the result of the product of this number (73 744) by itself (i.e., 73 744 × 73 744); the square of 73 744 is sometimes called "raising 73 744 to the power 2", or "73 744 squared".
The square of 73 744 is 5 438 177 536 because 73 744 × 73 744 = 73 7442 = 5 438 177 536.
As a consequence, 73 744 is the square root of 5 438 177 536.
The multiples of 73 744 are all integers evenly divisible by 73 744, that is all numbers such that the remainder of the division by 73 744 is zero. There are infinitely many multiples of 73 744. The smallest multiples of 73 744 are: