It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 80 673 616 is not a prime number.
For example, 80 673 616 can be divided by 2: 80 673 616 / 2 = 40 336 808.
For 80 673 616 to be a prime number, it would have been required that 80 673 616 has only two divisors, i.e., itself and 1.
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80 673 616 is an even number, because it is evenly divisible by 2: 80 673 616 / 2 = 40 336 808.
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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 80 673 616 is about 8 981.849.
Thus, the square root of 80 673 616 is not an integer, and therefore 80 673 616 is not a square number.
The square of a number (here 80 673 616) is the result of the product of this number (80 673 616) by itself (i.e., 80 673 616 × 80 673 616); the square of 80 673 616 is sometimes called "raising 80 673 616 to the power 2", or "80 673 616 squared".
The square of 80 673 616 is 6 508 232 318 515 456 because 80 673 616 × 80 673 616 = 80 673 6162 = 6 508 232 318 515 456.
As a consequence, 80 673 616 is the square root of 6 508 232 318 515 456.
80 673 616 is a number with 8 digits.
The multiples of 80 673 616 are all integers evenly divisible by 80 673 616, that is all numbers such that the remainder of the division by 80 673 616 is zero. There are infinitely many multiples of 80 673 616. The smallest multiples of 80 673 616 are: