It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 48 743 is not a prime number.
For example, 48 743 can be divided by 79: 48 743 / 79 = 617.
For 48 743 to be a prime number, it would have been required that 48 743 has only two divisors, i.e., itself and 1.
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48 743 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 48 743 is about 220.778.
Thus, the square root of 48 743 is not an integer, and therefore 48 743 is not a square number.
The square of a number (here 48 743) is the result of the product of this number (48 743) by itself (i.e., 48 743 × 48 743); the square of 48 743 is sometimes called "raising 48 743 to the power 2", or "48 743 squared".
The square of 48 743 is 2 375 880 049 because 48 743 × 48 743 = 48 7432 = 2 375 880 049.
As a consequence, 48 743 is the square root of 2 375 880 049.
The multiples of 48 743 are all integers evenly divisible by 48 743, that is all numbers such that the remainder of the division by 48 743 is zero. There are infinitely many multiples of 48 743. The smallest multiples of 48 743 are: