It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 83 984 is not a prime number.
For example, 83 984 can be divided by 2: 83 984 / 2 = 41 992.
For 83 984 to be a prime number, it would have been required that 83 984 has only two divisors, i.e., itself and 1.
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83 984 is an even number, because it is evenly divisible by 2: 83 984 / 2 = 41 992.
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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 83 984 is about 289.800.
Thus, the square root of 83 984 is not an integer, and therefore 83 984 is not a square number.
The square of a number (here 83 984) is the result of the product of this number (83 984) by itself (i.e., 83 984 × 83 984); the square of 83 984 is sometimes called "raising 83 984 to the power 2", or "83 984 squared".
The square of 83 984 is 7 053 312 256 because 83 984 × 83 984 = 83 9842 = 7 053 312 256.
As a consequence, 83 984 is the square root of 7 053 312 256.
The multiples of 83 984 are all integers evenly divisible by 83 984, that is all numbers such that the remainder of the division by 83 984 is zero. There are infinitely many multiples of 83 984. The smallest multiples of 83 984 are: