It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 131 201 is not a prime number.
For example, 131 201 can be divided by 7: 131 201 / 7 = 18 743.
For 131 201 to be a prime number, it would have been required that 131 201 has only two divisors, i.e., itself and 1.
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131 201 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 131 201 is about 362.217.
Thus, the square root of 131 201 is not an integer, and therefore 131 201 is not a square number.
The square of a number (here 131 201) is the result of the product of this number (131 201) by itself (i.e., 131 201 × 131 201); the square of 131 201 is sometimes called "raising 131 201 to the power 2", or "131 201 squared".
The square of 131 201 is 17 213 702 401 because 131 201 × 131 201 = 131 2012 = 17 213 702 401.
As a consequence, 131 201 is the square root of 17 213 702 401.
The multiples of 131 201 are all integers evenly divisible by 131 201, that is all numbers such that the remainder of the division by 131 201 is zero. There are infinitely many multiples of 131 201. The smallest multiples of 131 201 are: