It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 331 164 is not a prime number.
For example, 331 164 can be divided by 2: 331 164 / 2 = 165 582.
For 331 164 to be a prime number, it would have been required that 331 164 has only two divisors, i.e., itself and 1.
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331 164 is an even number, because it is evenly divisible by 2: 331 164 / 2 = 165 582.
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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 331 164 is about 575.469.
Thus, the square root of 331 164 is not an integer, and therefore 331 164 is not a square number.
The square of a number (here 331 164) is the result of the product of this number (331 164) by itself (i.e., 331 164 × 331 164); the square of 331 164 is sometimes called "raising 331 164 to the power 2", or "331 164 squared".
The square of 331 164 is 109 669 594 896 because 331 164 × 331 164 = 331 1642 = 109 669 594 896.
As a consequence, 331 164 is the square root of 109 669 594 896.
The multiples of 331 164 are all integers evenly divisible by 331 164, that is all numbers such that the remainder of the division by 331 164 is zero. There are infinitely many multiples of 331 164. The smallest multiples of 331 164 are: