It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 493 131 is not a prime number.
For example, 493 131 can be divided by 3: 493 131 / 3 = 164 377.
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For 493 131 to be a prime number, it would have been required that 493 131 has only two divisors, i.e., itself and 1.
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493 131 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 493 131 is about 702.233.
Thus, the square root of 493 131 is not an integer, and therefore 493 131 is not a square number.
The square of a number (here 493 131) is the result of the product of this number (493 131) by itself (i.e., 493 131 × 493 131); the square of 493 131 is sometimes called "raising 493 131 to the power 2", or "493 131 squared".
The square of 493 131 is 243 178 183 161 because 493 131 × 493 131 = 493 1312 = 243 178 183 161.
As a consequence, 493 131 is the square root of 243 178 183 161.
The multiples of 493 131 are all integers evenly divisible by 493 131, that is all numbers such that the remainder of the division by 493 131 is zero. There are infinitely many multiples of 493 131. The smallest multiples of 493 131 are: