It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 42 742 914 is not a prime number.
For example, 42 742 914 can be divided by 2: 42 742 914 / 2 = 21 371 457.
For 42 742 914 to be a prime number, it would have been required that 42 742 914 has only two divisors, i.e., itself and 1.
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42 742 914 is an even number, because it is evenly divisible by 2: 42 742 914 / 2 = 21 371 457.
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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 42 742 914 is about 6 537.807.
Thus, the square root of 42 742 914 is not an integer, and therefore 42 742 914 is not a square number.
The square of a number (here 42 742 914) is the result of the product of this number (42 742 914) by itself (i.e., 42 742 914 × 42 742 914); the square of 42 742 914 is sometimes called "raising 42 742 914 to the power 2", or "42 742 914 squared".
The square of 42 742 914 is 1 826 956 697 211 396 because 42 742 914 × 42 742 914 = 42 742 9142 = 1 826 956 697 211 396.
As a consequence, 42 742 914 is the square root of 1 826 956 697 211 396.
42 742 914 is a number with 8 digits.
The multiples of 42 742 914 are all integers evenly divisible by 42 742 914, that is all numbers such that the remainder of the division by 42 742 914 is zero. There are infinitely many multiples of 42 742 914. The smallest multiples of 42 742 914 are: