It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 168 167 is not a prime number.
For example, 168 167 can be divided by 211: 168 167 / 211 = 797.
For 168 167 to be a prime number, it would have been required that 168 167 has only two divisors, i.e., itself and 1.
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168 167 is an odd number, because it is not evenly divisible by 2.
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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 168 167 is about 410.082.
Thus, the square root of 168 167 is not an integer, and therefore 168 167 is not a square number.
The square of a number (here 168 167) is the result of the product of this number (168 167) by itself (i.e., 168 167 × 168 167); the square of 168 167 is sometimes called "raising 168 167 to the power 2", or "168 167 squared".
The square of 168 167 is 28 280 139 889 because 168 167 × 168 167 = 168 1672 = 28 280 139 889.
As a consequence, 168 167 is the square root of 28 280 139 889.
The multiples of 168 167 are all integers evenly divisible by 168 167, that is all numbers such that the remainder of the division by 168 167 is zero. There are infinitely many multiples of 168 167. The smallest multiples of 168 167 are: