It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 80 445 008 is not a prime number.
For example, 80 445 008 can be divided by 2: 80 445 008 / 2 = 40 222 504.
For 80 445 008 to be a prime number, it would have been required that 80 445 008 has only two divisors, i.e., itself and 1.
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80 445 008 is an even number, because it is evenly divisible by 2: 80 445 008 / 2 = 40 222 504.
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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 80 445 008 is about 8 969.114.
Thus, the square root of 80 445 008 is not an integer, and therefore 80 445 008 is not a square number.
The square of a number (here 80 445 008) is the result of the product of this number (80 445 008) by itself (i.e., 80 445 008 × 80 445 008); the square of 80 445 008 is sometimes called "raising 80 445 008 to the power 2", or "80 445 008 squared".
The square of 80 445 008 is 6 471 399 312 120 064 because 80 445 008 × 80 445 008 = 80 445 0082 = 6 471 399 312 120 064.
As a consequence, 80 445 008 is the square root of 6 471 399 312 120 064.
80 445 008 is a number with 8 digits.
The multiples of 80 445 008 are all integers evenly divisible by 80 445 008, that is all numbers such that the remainder of the division by 80 445 008 is zero. There are infinitely many multiples of 80 445 008. The smallest multiples of 80 445 008 are: