It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 607 402 is not a prime number.
For example, 607 402 can be divided by 2: 607 402 / 2 = 303 701.
For 607 402 to be a prime number, it would have been required that 607 402 has only two divisors, i.e., itself and 1.
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607 402 is an even number, because it is evenly divisible by 2: 607 402 / 2 = 303 701.
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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 607 402 is about 779.360.
Thus, the square root of 607 402 is not an integer, and therefore 607 402 is not a square number.
The square of a number (here 607 402) is the result of the product of this number (607 402) by itself (i.e., 607 402 × 607 402); the square of 607 402 is sometimes called "raising 607 402 to the power 2", or "607 402 squared".
The square of 607 402 is 368 937 189 604 because 607 402 × 607 402 = 607 4022 = 368 937 189 604.
As a consequence, 607 402 is the square root of 368 937 189 604.
The multiples of 607 402 are all integers evenly divisible by 607 402, that is all numbers such that the remainder of the division by 607 402 is zero. There are infinitely many multiples of 607 402. The smallest multiples of 607 402 are: