It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 125 948 is not a prime number.
For example, 125 948 can be divided by 2: 125 948 / 2 = 62 974.
For 125 948 to be a prime number, it would have been required that 125 948 has only two divisors, i.e., itself and 1.
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125 948 is an even number, because it is evenly divisible by 2: 125 948 / 2 = 62 974.
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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 125 948 is about 354.892.
Thus, the square root of 125 948 is not an integer, and therefore 125 948 is not a square number.
The square of a number (here 125 948) is the result of the product of this number (125 948) by itself (i.e., 125 948 × 125 948); the square of 125 948 is sometimes called "raising 125 948 to the power 2", or "125 948 squared".
The square of 125 948 is 15 862 898 704 because 125 948 × 125 948 = 125 9482 = 15 862 898 704.
As a consequence, 125 948 is the square root of 15 862 898 704.
The multiples of 125 948 are all integers evenly divisible by 125 948, that is all numbers such that the remainder of the division by 125 948 is zero. There are infinitely many multiples of 125 948. The smallest multiples of 125 948 are: