It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 80 326 669 is not a prime number.
For example, 80 326 669 can be divided by 373: 80 326 669 / 373 = 215 353.
For 80 326 669 to be a prime number, it would have been required that 80 326 669 has only two divisors, i.e., itself and 1.
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80 326 669 is an odd number, because it is not evenly divisible by 2.
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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 80 326 669 is about 8 962.515.
Thus, the square root of 80 326 669 is not an integer, and therefore 80 326 669 is not a square number.
The square of a number (here 80 326 669) is the result of the product of this number (80 326 669) by itself (i.e., 80 326 669 × 80 326 669); the square of 80 326 669 is sometimes called "raising 80 326 669 to the power 2", or "80 326 669 squared".
The square of 80 326 669 is 6 452 373 752 635 561 because 80 326 669 × 80 326 669 = 80 326 6692 = 6 452 373 752 635 561.
As a consequence, 80 326 669 is the square root of 6 452 373 752 635 561.
80 326 669 is a number with 8 digits.
The multiples of 80 326 669 are all integers evenly divisible by 80 326 669, that is all numbers such that the remainder of the division by 80 326 669 is zero. There are infinitely many multiples of 80 326 669. The smallest multiples of 80 326 669 are: