It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 160 738 is not a prime number.
For example, 160 738 can be divided by 2: 160 738 / 2 = 80 369.
For 160 738 to be a prime number, it would have been required that 160 738 has only two divisors, i.e., itself and 1.
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160 738 is an even number, because it is evenly divisible by 2: 160 738 / 2 = 80 369.
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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 160 738 is about 400.921.
Thus, the square root of 160 738 is not an integer, and therefore 160 738 is not a square number.
The square of a number (here 160 738) is the result of the product of this number (160 738) by itself (i.e., 160 738 × 160 738); the square of 160 738 is sometimes called "raising 160 738 to the power 2", or "160 738 squared".
The square of 160 738 is 25 836 704 644 because 160 738 × 160 738 = 160 7382 = 25 836 704 644.
As a consequence, 160 738 is the square root of 25 836 704 644.
The multiples of 160 738 are all integers evenly divisible by 160 738, that is all numbers such that the remainder of the division by 160 738 is zero. There are infinitely many multiples of 160 738. The smallest multiples of 160 738 are: