It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 160 242 is not a prime number.
For example, 160 242 can be divided by 2: 160 242 / 2 = 80 121.
For 160 242 to be a prime number, it would have been required that 160 242 has only two divisors, i.e., itself and 1.
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160 242 is an even number, because it is evenly divisible by 2: 160 242 / 2 = 80 121.
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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 160 242 is about 400.302.
Thus, the square root of 160 242 is not an integer, and therefore 160 242 is not a square number.
The square of a number (here 160 242) is the result of the product of this number (160 242) by itself (i.e., 160 242 × 160 242); the square of 160 242 is sometimes called "raising 160 242 to the power 2", or "160 242 squared".
The square of 160 242 is 25 677 498 564 because 160 242 × 160 242 = 160 2422 = 25 677 498 564.
As a consequence, 160 242 is the square root of 25 677 498 564.
The multiples of 160 242 are all integers evenly divisible by 160 242, that is all numbers such that the remainder of the division by 160 242 is zero. There are infinitely many multiples of 160 242. The smallest multiples of 160 242 are: