It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 977 618 338 is not a prime number.
For example, 977 618 338 can be divided by 2: 977 618 338 / 2 = 488 809 169.
For 977 618 338 to be a prime number, it would have been required that 977 618 338 has only two divisors, i.e., itself and 1.
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977 618 338 is an even number, because it is evenly divisible by 2: 977 618 338 / 2 = 488 809 169.
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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 977 618 338 is about 31 266.889.
Thus, the square root of 977 618 338 is not an integer, and therefore 977 618 338 is not a square number.
The square of a number (here 977 618 338) is the result of the product of this number (977 618 338) by itself (i.e., 977 618 338 × 977 618 338); the square of 977 618 338 is sometimes called "raising 977 618 338 to the power 2", or "977 618 338 squared".
The square of 977 618 338 is 955 737 614 793 882 240 because 977 618 338 × 977 618 338 = 977 618 3382 = 955 737 614 793 882 240.
As a consequence, 977 618 338 is the square root of 955 737 614 793 882 240.
977 618 338 is a number with 9 digits.
The multiples of 977 618 338 are all integers evenly divisible by 977 618 338, that is all numbers such that the remainder of the division by 977 618 338 is zero. There are infinitely many multiples of 977 618 338. The smallest multiples of 977 618 338 are: