It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 101 042 is not a prime number.
For example, 101 042 can be divided by 2: 101 042 / 2 = 50 521.
For 101 042 to be a prime number, it would have been required that 101 042 has only two divisors, i.e., itself and 1.
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101 042 is an even number, because it is evenly divisible by 2: 101 042 / 2 = 50 521.
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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 101 042 is about 317.871.
Thus, the square root of 101 042 is not an integer, and therefore 101 042 is not a square number.
The square of a number (here 101 042) is the result of the product of this number (101 042) by itself (i.e., 101 042 × 101 042); the square of 101 042 is sometimes called "raising 101 042 to the power 2", or "101 042 squared".
The square of 101 042 is 10 209 485 764 because 101 042 × 101 042 = 101 0422 = 10 209 485 764.
As a consequence, 101 042 is the square root of 10 209 485 764.
The multiples of 101 042 are all integers evenly divisible by 101 042, that is all numbers such that the remainder of the division by 101 042 is zero. There are infinitely many multiples of 101 042. The smallest multiples of 101 042 are: