It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 742 316 is not a prime number.
For example, 742 316 can be divided by 2: 742 316 / 2 = 371 158.
For 742 316 to be a prime number, it would have been required that 742 316 has only two divisors, i.e., itself and 1.
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742 316 is an even number, because it is evenly divisible by 2: 742 316 / 2 = 371 158.
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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 742 316 is about 861.578.
Thus, the square root of 742 316 is not an integer, and therefore 742 316 is not a square number.
The square of a number (here 742 316) is the result of the product of this number (742 316) by itself (i.e., 742 316 × 742 316); the square of 742 316 is sometimes called "raising 742 316 to the power 2", or "742 316 squared".
The square of 742 316 is 551 033 043 856 because 742 316 × 742 316 = 742 3162 = 551 033 043 856.
As a consequence, 742 316 is the square root of 551 033 043 856.
The multiples of 742 316 are all integers evenly divisible by 742 316, that is all numbers such that the remainder of the division by 742 316 is zero. There are infinitely many multiples of 742 316. The smallest multiples of 742 316 are: