It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 742 988 is not a prime number.
For example, 742 988 can be divided by 2: 742 988 / 2 = 371 494.
For 742 988 to be a prime number, it would have been required that 742 988 has only two divisors, i.e., itself and 1.
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742 988 is an even number, because it is evenly divisible by 2: 742 988 / 2 = 371 494.
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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 742 988 is about 861.968.
Thus, the square root of 742 988 is not an integer, and therefore 742 988 is not a square number.
The square of a number (here 742 988) is the result of the product of this number (742 988) by itself (i.e., 742 988 × 742 988); the square of 742 988 is sometimes called "raising 742 988 to the power 2", or "742 988 squared".
The square of 742 988 is 552 031 168 144 because 742 988 × 742 988 = 742 9882 = 552 031 168 144.
As a consequence, 742 988 is the square root of 552 031 168 144.
The multiples of 742 988 are all integers evenly divisible by 742 988, that is all numbers such that the remainder of the division by 742 988 is zero. There are infinitely many multiples of 742 988. The smallest multiples of 742 988 are: