It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 987 009 498 is not a prime number.
For example, 987 009 498 can be divided by 2: 987 009 498 / 2 = 493 504 749.
For 987 009 498 to be a prime number, it would have been required that 987 009 498 has only two divisors, i.e., itself and 1.
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987 009 498 is an even number, because it is evenly divisible by 2: 987 009 498 / 2 = 493 504 749.
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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 987 009 498 is about 31 416.707.
Thus, the square root of 987 009 498 is not an integer, and therefore 987 009 498 is not a square number.
The square of a number (here 987 009 498) is the result of the product of this number (987 009 498) by itself (i.e., 987 009 498 × 987 009 498); the square of 987 009 498 is sometimes called "raising 987 009 498 to the power 2", or "987 009 498 squared".
The square of 987 009 498 is 974 187 749 142 211 968 because 987 009 498 × 987 009 498 = 987 009 4982 = 974 187 749 142 211 968.
As a consequence, 987 009 498 is the square root of 974 187 749 142 211 968.
987 009 498 is a number with 9 digits.
The multiples of 987 009 498 are all integers evenly divisible by 987 009 498, that is all numbers such that the remainder of the division by 987 009 498 is zero. There are infinitely many multiples of 987 009 498. The smallest multiples of 987 009 498 are: