It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 62 742 016 is not a prime number.
For example, 62 742 016 can be divided by 2: 62 742 016 / 2 = 31 371 008.
For 62 742 016 to be a prime number, it would have been required that 62 742 016 has only two divisors, i.e., itself and 1.
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62 742 016 is an even number, because it is evenly divisible by 2: 62 742 016 / 2 = 31 371 008.
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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 62 742 016 is about 7 920.986.
Thus, the square root of 62 742 016 is not an integer, and therefore 62 742 016 is not a square number.
The square of a number (here 62 742 016) is the result of the product of this number (62 742 016) by itself (i.e., 62 742 016 × 62 742 016); the square of 62 742 016 is sometimes called "raising 62 742 016 to the power 2", or "62 742 016 squared".
The square of 62 742 016 is 3 936 560 571 744 256 because 62 742 016 × 62 742 016 = 62 742 0162 = 3 936 560 571 744 256.
As a consequence, 62 742 016 is the square root of 3 936 560 571 744 256.
62 742 016 is a number with 8 digits.
The multiples of 62 742 016 are all integers evenly divisible by 62 742 016, that is all numbers such that the remainder of the division by 62 742 016 is zero. There are infinitely many multiples of 62 742 016. The smallest multiples of 62 742 016 are: