It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 131 377 is not a prime number.
For example, 131 377 can be divided by 79: 131 377 / 79 = 1 663.
For 131 377 to be a prime number, it would have been required that 131 377 has only two divisors, i.e., itself and 1.
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131 377 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 131 377 is about 362.460.
Thus, the square root of 131 377 is not an integer, and therefore 131 377 is not a square number.
The square of a number (here 131 377) is the result of the product of this number (131 377) by itself (i.e., 131 377 × 131 377); the square of 131 377 is sometimes called "raising 131 377 to the power 2", or "131 377 squared".
The square of 131 377 is 17 259 916 129 because 131 377 × 131 377 = 131 3772 = 17 259 916 129.
As a consequence, 131 377 is the square root of 17 259 916 129.
The multiples of 131 377 are all integers evenly divisible by 131 377, that is all numbers such that the remainder of the division by 131 377 is zero. There are infinitely many multiples of 131 377. The smallest multiples of 131 377 are: