It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 187 013 is not a prime number.
For example, 187 013 can be divided by 23: 187 013 / 23 = 8 131.
For 187 013 to be a prime number, it would have been required that 187 013 has only two divisors, i.e., itself and 1.
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187 013 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 187 013 is about 432.450.
Thus, the square root of 187 013 is not an integer, and therefore 187 013 is not a square number.
The square of a number (here 187 013) is the result of the product of this number (187 013) by itself (i.e., 187 013 × 187 013); the square of 187 013 is sometimes called "raising 187 013 to the power 2", or "187 013 squared".
The square of 187 013 is 34 973 862 169 because 187 013 × 187 013 = 187 0132 = 34 973 862 169.
As a consequence, 187 013 is the square root of 34 973 862 169.
The multiples of 187 013 are all integers evenly divisible by 187 013, that is all numbers such that the remainder of the division by 187 013 is zero. There are infinitely many multiples of 187 013. The smallest multiples of 187 013 are: