It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 702 604 is not a prime number.
For example, 702 604 can be divided by 2: 702 604 / 2 = 351 302.
For 702 604 to be a prime number, it would have been required that 702 604 has only two divisors, i.e., itself and 1.
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702 604 is an even number, because it is evenly divisible by 2: 702 604 / 2 = 351 302.
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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 702 604 is about 838.215.
Thus, the square root of 702 604 is not an integer, and therefore 702 604 is not a square number.
The square of a number (here 702 604) is the result of the product of this number (702 604) by itself (i.e., 702 604 × 702 604); the square of 702 604 is sometimes called "raising 702 604 to the power 2", or "702 604 squared".
The square of 702 604 is 493 652 380 816 because 702 604 × 702 604 = 702 6042 = 493 652 380 816.
As a consequence, 702 604 is the square root of 493 652 380 816.
The multiples of 702 604 are all integers evenly divisible by 702 604, that is all numbers such that the remainder of the division by 702 604 is zero. There are infinitely many multiples of 702 604. The smallest multiples of 702 604 are: