It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 702 242 is not a prime number.
For example, 702 242 can be divided by 2: 702 242 / 2 = 351 121.
For 702 242 to be a prime number, it would have been required that 702 242 has only two divisors, i.e., itself and 1.
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702 242 is an even number, because it is evenly divisible by 2: 702 242 / 2 = 351 121.
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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 702 242 is about 837.999.
Thus, the square root of 702 242 is not an integer, and therefore 702 242 is not a square number.
The square of a number (here 702 242) is the result of the product of this number (702 242) by itself (i.e., 702 242 × 702 242); the square of 702 242 is sometimes called "raising 702 242 to the power 2", or "702 242 squared".
The square of 702 242 is 493 143 826 564 because 702 242 × 702 242 = 702 2422 = 493 143 826 564.
As a consequence, 702 242 is the square root of 493 143 826 564.
The multiples of 702 242 are all integers evenly divisible by 702 242, that is all numbers such that the remainder of the division by 702 242 is zero. There are infinitely many multiples of 702 242. The smallest multiples of 702 242 are: