It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 161 008 is not a prime number.
For example, 161 008 can be divided by 2: 161 008 / 2 = 80 504.
For 161 008 to be a prime number, it would have been required that 161 008 has only two divisors, i.e., itself and 1.
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161 008 is an even number, because it is evenly divisible by 2: 161 008 / 2 = 80 504.
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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 161 008 is about 401.258.
Thus, the square root of 161 008 is not an integer, and therefore 161 008 is not a square number.
The square of a number (here 161 008) is the result of the product of this number (161 008) by itself (i.e., 161 008 × 161 008); the square of 161 008 is sometimes called "raising 161 008 to the power 2", or "161 008 squared".
The square of 161 008 is 25 923 576 064 because 161 008 × 161 008 = 161 0082 = 25 923 576 064.
As a consequence, 161 008 is the square root of 25 923 576 064.
The multiples of 161 008 are all integers evenly divisible by 161 008, that is all numbers such that the remainder of the division by 161 008 is zero. There are infinitely many multiples of 161 008. The smallest multiples of 161 008 are: