It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 164 242 is not a prime number.
For example, 164 242 can be divided by 2: 164 242 / 2 = 82 121.
For 164 242 to be a prime number, it would have been required that 164 242 has only two divisors, i.e., itself and 1.
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164 242 is an even number, because it is evenly divisible by 2: 164 242 / 2 = 82 121.
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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 164 242 is about 405.268.
Thus, the square root of 164 242 is not an integer, and therefore 164 242 is not a square number.
The square of a number (here 164 242) is the result of the product of this number (164 242) by itself (i.e., 164 242 × 164 242); the square of 164 242 is sometimes called "raising 164 242 to the power 2", or "164 242 squared".
The square of 164 242 is 26 975 434 564 because 164 242 × 164 242 = 164 2422 = 26 975 434 564.
As a consequence, 164 242 is the square root of 26 975 434 564.
The multiples of 164 242 are all integers evenly divisible by 164 242, that is all numbers such that the remainder of the division by 164 242 is zero. There are infinitely many multiples of 164 242. The smallest multiples of 164 242 are: