It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 42 755 024 is not a prime number.
For example, 42 755 024 can be divided by 2: 42 755 024 / 2 = 21 377 512.
For 42 755 024 to be a prime number, it would have been required that 42 755 024 has only two divisors, i.e., itself and 1.
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42 755 024 is an even number, because it is evenly divisible by 2: 42 755 024 / 2 = 21 377 512.
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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 42 755 024 is about 6 538.733.
Thus, the square root of 42 755 024 is not an integer, and therefore 42 755 024 is not a square number.
The square of a number (here 42 755 024) is the result of the product of this number (42 755 024) by itself (i.e., 42 755 024 × 42 755 024); the square of 42 755 024 is sometimes called "raising 42 755 024 to the power 2", or "42 755 024 squared".
The square of 42 755 024 is 1 827 992 077 240 576 because 42 755 024 × 42 755 024 = 42 755 0242 = 1 827 992 077 240 576.
As a consequence, 42 755 024 is the square root of 1 827 992 077 240 576.
42 755 024 is a number with 8 digits.
The multiples of 42 755 024 are all integers evenly divisible by 42 755 024, that is all numbers such that the remainder of the division by 42 755 024 is zero. There are infinitely many multiples of 42 755 024. The smallest multiples of 42 755 024 are: