It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 987 167 is not a prime number.
For example, 987 167 can be divided by 197: 987 167 / 197 = 5 011.
For 987 167 to be a prime number, it would have been required that 987 167 has only two divisors, i.e., itself and 1.
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987 167 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 987 167 is about 993.563.
Thus, the square root of 987 167 is not an integer, and therefore 987 167 is not a square number.
The square of a number (here 987 167) is the result of the product of this number (987 167) by itself (i.e., 987 167 × 987 167); the square of 987 167 is sometimes called "raising 987 167 to the power 2", or "987 167 squared".
The square of 987 167 is 974 498 685 889 because 987 167 × 987 167 = 987 1672 = 974 498 685 889.
As a consequence, 987 167 is the square root of 974 498 685 889.
The multiples of 987 167 are all integers evenly divisible by 987 167, that is all numbers such that the remainder of the division by 987 167 is zero. There are infinitely many multiples of 987 167. The smallest multiples of 987 167 are: