It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 990 829 is not a prime number.
For example, 990 829 can be divided by 7: 990 829 / 7 = 141 547.
For 990 829 to be a prime number, it would have been required that 990 829 has only two divisors, i.e., itself and 1.
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990 829 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 990 829 is about 995.404.
Thus, the square root of 990 829 is not an integer, and therefore 990 829 is not a square number.
The square of a number (here 990 829) is the result of the product of this number (990 829) by itself (i.e., 990 829 × 990 829); the square of 990 829 is sometimes called "raising 990 829 to the power 2", or "990 829 squared".
The square of 990 829 is 981 742 107 241 because 990 829 × 990 829 = 990 8292 = 981 742 107 241.
As a consequence, 990 829 is the square root of 981 742 107 241.
The multiples of 990 829 are all integers evenly divisible by 990 829, that is all numbers such that the remainder of the division by 990 829 is zero. There are infinitely many multiples of 990 829. The smallest multiples of 990 829 are: