It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 148 902 is not a prime number.
For example, 148 902 can be divided by 2: 148 902 / 2 = 74 451.
For 148 902 to be a prime number, it would have been required that 148 902 has only two divisors, i.e., itself and 1.
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148 902 is an even number, because it is evenly divisible by 2: 148 902 / 2 = 74 451.
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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 148 902 is about 385.878.
Thus, the square root of 148 902 is not an integer, and therefore 148 902 is not a square number.
The square of a number (here 148 902) is the result of the product of this number (148 902) by itself (i.e., 148 902 × 148 902); the square of 148 902 is sometimes called "raising 148 902 to the power 2", or "148 902 squared".
The square of 148 902 is 22 171 805 604 because 148 902 × 148 902 = 148 9022 = 22 171 805 604.
As a consequence, 148 902 is the square root of 22 171 805 604.
The multiples of 148 902 are all integers evenly divisible by 148 902, that is all numbers such that the remainder of the division by 148 902 is zero. There are infinitely many multiples of 148 902. The smallest multiples of 148 902 are: