It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 830 678 016 is not a prime number.
For example, 830 678 016 can be divided by 2: 830 678 016 / 2 = 415 339 008.
For 830 678 016 to be a prime number, it would have been required that 830 678 016 has only two divisors, i.e., itself and 1.
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830 678 016 is an even number, because it is evenly divisible by 2: 830 678 016 / 2 = 415 339 008.
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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 830 678 016 is about 28 821.485.
Thus, the square root of 830 678 016 is not an integer, and therefore 830 678 016 is not a square number.
The square of a number (here 830 678 016) is the result of the product of this number (830 678 016) by itself (i.e., 830 678 016 × 830 678 016); the square of 830 678 016 is sometimes called "raising 830 678 016 to the power 2", or "830 678 016 squared".
The square of 830 678 016 is 690 025 966 265 696 256 because 830 678 016 × 830 678 016 = 830 678 0162 = 690 025 966 265 696 256.
As a consequence, 830 678 016 is the square root of 690 025 966 265 696 256.
830 678 016 is a number with 9 digits.
The multiples of 830 678 016 are all integers evenly divisible by 830 678 016, that is all numbers such that the remainder of the division by 830 678 016 is zero. There are infinitely many multiples of 830 678 016. The smallest multiples of 830 678 016 are: