It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 80 609 062 is not a prime number.
For example, 80 609 062 can be divided by 2: 80 609 062 / 2 = 40 304 531.
For 80 609 062 to be a prime number, it would have been required that 80 609 062 has only two divisors, i.e., itself and 1.
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80 609 062 is an even number, because it is evenly divisible by 2: 80 609 062 / 2 = 40 304 531.
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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 80 609 062 is about 8 978.255.
Thus, the square root of 80 609 062 is not an integer, and therefore 80 609 062 is not a square number.
The square of a number (here 80 609 062) is the result of the product of this number (80 609 062) by itself (i.e., 80 609 062 × 80 609 062); the square of 80 609 062 is sometimes called "raising 80 609 062 to the power 2", or "80 609 062 squared".
The square of 80 609 062 is 6 497 820 876 519 844 because 80 609 062 × 80 609 062 = 80 609 0622 = 6 497 820 876 519 844.
As a consequence, 80 609 062 is the square root of 6 497 820 876 519 844.
80 609 062 is a number with 8 digits.
The multiples of 80 609 062 are all integers evenly divisible by 80 609 062, that is all numbers such that the remainder of the division by 80 609 062 is zero. There are infinitely many multiples of 80 609 062. The smallest multiples of 80 609 062 are: