It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 988 276 is not a prime number.
For example, 988 276 can be divided by 2: 988 276 / 2 = 494 138.
For 988 276 to be a prime number, it would have been required that 988 276 has only two divisors, i.e., itself and 1.
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988 276 is an even number, because it is evenly divisible by 2: 988 276 / 2 = 494 138.
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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 988 276 is about 994.121.
Thus, the square root of 988 276 is not an integer, and therefore 988 276 is not a square number.
The square of a number (here 988 276) is the result of the product of this number (988 276) by itself (i.e., 988 276 × 988 276); the square of 988 276 is sometimes called "raising 988 276 to the power 2", or "988 276 squared".
The square of 988 276 is 976 689 452 176 because 988 276 × 988 276 = 988 2762 = 976 689 452 176.
As a consequence, 988 276 is the square root of 976 689 452 176.
The multiples of 988 276 are all integers evenly divisible by 988 276, that is all numbers such that the remainder of the division by 988 276 is zero. There are infinitely many multiples of 988 276. The smallest multiples of 988 276 are: