It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 120 802 is not a prime number.
For example, 120 802 can be divided by 2: 120 802 / 2 = 60 401.
For 120 802 to be a prime number, it would have been required that 120 802 has only two divisors, i.e., itself and 1.
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120 802 is an even number, because it is evenly divisible by 2: 120 802 / 2 = 60 401.
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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 120 802 is about 347.566.
Thus, the square root of 120 802 is not an integer, and therefore 120 802 is not a square number.
The square of a number (here 120 802) is the result of the product of this number (120 802) by itself (i.e., 120 802 × 120 802); the square of 120 802 is sometimes called "raising 120 802 to the power 2", or "120 802 squared".
The square of 120 802 is 14 593 123 204 because 120 802 × 120 802 = 120 8022 = 14 593 123 204.
As a consequence, 120 802 is the square root of 14 593 123 204.
The multiples of 120 802 are all integers evenly divisible by 120 802, that is all numbers such that the remainder of the division by 120 802 is zero. There are infinitely many multiples of 120 802. The smallest multiples of 120 802 are: