It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 42 748 882 is not a prime number.
For example, 42 748 882 can be divided by 2: 42 748 882 / 2 = 21 374 441.
For 42 748 882 to be a prime number, it would have been required that 42 748 882 has only two divisors, i.e., itself and 1.
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42 748 882 is an even number, because it is evenly divisible by 2: 42 748 882 / 2 = 21 374 441.
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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 42 748 882 is about 6 538.263.
Thus, the square root of 42 748 882 is not an integer, and therefore 42 748 882 is not a square number.
The square of a number (here 42 748 882) is the result of the product of this number (42 748 882) by itself (i.e., 42 748 882 × 42 748 882); the square of 42 748 882 is sometimes called "raising 42 748 882 to the power 2", or "42 748 882 squared".
The square of 42 748 882 is 1 827 466 912 249 924 because 42 748 882 × 42 748 882 = 42 748 8822 = 1 827 466 912 249 924.
As a consequence, 42 748 882 is the square root of 1 827 466 912 249 924.
42 748 882 is a number with 8 digits.
The multiples of 42 748 882 are all integers evenly divisible by 42 748 882, that is all numbers such that the remainder of the division by 42 748 882 is zero. There are infinitely many multiples of 42 748 882. The smallest multiples of 42 748 882 are: