It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 988 612 578 is not a prime number.
For example, 988 612 578 can be divided by 2: 988 612 578 / 2 = 494 306 289.
For 988 612 578 to be a prime number, it would have been required that 988 612 578 has only two divisors, i.e., itself and 1.
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988 612 578 is an even number, because it is evenly divisible by 2: 988 612 578 / 2 = 494 306 289.
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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 988 612 578 is about 31 442.210.
Thus, the square root of 988 612 578 is not an integer, and therefore 988 612 578 is not a square number.
The square of a number (here 988 612 578) is the result of the product of this number (988 612 578) by itself (i.e., 988 612 578 × 988 612 578); the square of 988 612 578 is sometimes called "raising 988 612 578 to the power 2", or "988 612 578 squared".
The square of 988 612 578 is 977 354 829 379 806 080 because 988 612 578 × 988 612 578 = 988 612 5782 = 977 354 829 379 806 080.
As a consequence, 988 612 578 is the square root of 977 354 829 379 806 080.
988 612 578 is a number with 9 digits.
The multiples of 988 612 578 are all integers evenly divisible by 988 612 578, that is all numbers such that the remainder of the division by 988 612 578 is zero. There are infinitely many multiples of 988 612 578. The smallest multiples of 988 612 578 are: