It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 80 464 609 is not a prime number.
For example, 80 464 609 can be divided by 2 221: 80 464 609 / 2221 = 36 229.
For 80 464 609 to be a prime number, it would have been required that 80 464 609 has only two divisors, i.e., itself and 1.
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80 464 609 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 80 464 609 is about 8 970.207.
Thus, the square root of 80 464 609 is not an integer, and therefore 80 464 609 is not a square number.
The square of a number (here 80 464 609) is the result of the product of this number (80 464 609) by itself (i.e., 80 464 609 × 80 464 609); the square of 80 464 609 is sometimes called "raising 80 464 609 to the power 2", or "80 464 609 squared".
The square of 80 464 609 is 6 474 553 301 522 881 because 80 464 609 × 80 464 609 = 80 464 6092 = 6 474 553 301 522 881.
As a consequence, 80 464 609 is the square root of 6 474 553 301 522 881.
80 464 609 is a number with 8 digits.
The multiples of 80 464 609 are all integers evenly divisible by 80 464 609, that is all numbers such that the remainder of the division by 80 464 609 is zero. There are infinitely many multiples of 80 464 609. The smallest multiples of 80 464 609 are: