It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 80 242 329 is not a prime number.
For example, 80 242 329 can be divided by 3: 80 242 329 / 3 = 26 747 443.
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For 80 242 329 to be a prime number, it would have been required that 80 242 329 has only two divisors, i.e., itself and 1.
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80 242 329 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 80 242 329 is about 8 957.808.
Thus, the square root of 80 242 329 is not an integer, and therefore 80 242 329 is not a square number.
The square of a number (here 80 242 329) is the result of the product of this number (80 242 329) by itself (i.e., 80 242 329 × 80 242 329); the square of 80 242 329 is sometimes called "raising 80 242 329 to the power 2", or "80 242 329 squared".
The square of 80 242 329 is 6 438 831 363 344 241 because 80 242 329 × 80 242 329 = 80 242 3292 = 6 438 831 363 344 241.
As a consequence, 80 242 329 is the square root of 6 438 831 363 344 241.
80 242 329 is a number with 8 digits.
The multiples of 80 242 329 are all integers evenly divisible by 80 242 329, that is all numbers such that the remainder of the division by 80 242 329 is zero. There are infinitely many multiples of 80 242 329. The smallest multiples of 80 242 329 are: