It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 988 273 is not a prime number.
For example, 988 273 can be divided by 11: 988 273 / 11 = 89 843.
For 988 273 to be a prime number, it would have been required that 988 273 has only two divisors, i.e., itself and 1.
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988 273 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 988 273 is about 994.119.
Thus, the square root of 988 273 is not an integer, and therefore 988 273 is not a square number.
The square of a number (here 988 273) is the result of the product of this number (988 273) by itself (i.e., 988 273 × 988 273); the square of 988 273 is sometimes called "raising 988 273 to the power 2", or "988 273 squared".
The square of 988 273 is 976 683 522 529 because 988 273 × 988 273 = 988 2732 = 976 683 522 529.
As a consequence, 988 273 is the square root of 976 683 522 529.
The multiples of 988 273 are all integers evenly divisible by 988 273, that is all numbers such that the remainder of the division by 988 273 is zero. There are infinitely many multiples of 988 273. The smallest multiples of 988 273 are: