It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 101 443 is not a prime number.
For example, 101 443 can be divided by 61: 101 443 / 61 = 1 663.
For 101 443 to be a prime number, it would have been required that 101 443 has only two divisors, i.e., itself and 1.
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101 443 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 101 443 is about 318.501.
Thus, the square root of 101 443 is not an integer, and therefore 101 443 is not a square number.
The square of a number (here 101 443) is the result of the product of this number (101 443) by itself (i.e., 101 443 × 101 443); the square of 101 443 is sometimes called "raising 101 443 to the power 2", or "101 443 squared".
The square of 101 443 is 10 290 682 249 because 101 443 × 101 443 = 101 4432 = 10 290 682 249.
As a consequence, 101 443 is the square root of 10 290 682 249.
The multiples of 101 443 are all integers evenly divisible by 101 443, that is all numbers such that the remainder of the division by 101 443 is zero. There are infinitely many multiples of 101 443. The smallest multiples of 101 443 are: