It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 977 959 138 is not a prime number.
For example, 977 959 138 can be divided by 2: 977 959 138 / 2 = 488 979 569.
For 977 959 138 to be a prime number, it would have been required that 977 959 138 has only two divisors, i.e., itself and 1.
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977 959 138 is an even number, because it is evenly divisible by 2: 977 959 138 / 2 = 488 979 569.
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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 977 959 138 is about 31 272.338.
Thus, the square root of 977 959 138 is not an integer, and therefore 977 959 138 is not a square number.
The square of a number (here 977 959 138) is the result of the product of this number (977 959 138) by itself (i.e., 977 959 138 × 977 959 138); the square of 977 959 138 is sometimes called "raising 977 959 138 to the power 2", or "977 959 138 squared".
The square of 977 959 138 is 956 404 075 597 703 040 because 977 959 138 × 977 959 138 = 977 959 1382 = 956 404 075 597 703 040.
As a consequence, 977 959 138 is the square root of 956 404 075 597 703 040.
977 959 138 is a number with 9 digits.
The multiples of 977 959 138 are all integers evenly divisible by 977 959 138, that is all numbers such that the remainder of the division by 977 959 138 is zero. There are infinitely many multiples of 977 959 138. The smallest multiples of 977 959 138 are: