It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 55 998 674 is not a prime number.
For example, 55 998 674 can be divided by 2: 55 998 674 / 2 = 27 999 337.
For 55 998 674 to be a prime number, it would have been required that 55 998 674 has only two divisors, i.e., itself and 1.
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55 998 674 is an even number, because it is evenly divisible by 2: 55 998 674 / 2 = 27 999 337.
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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 55 998 674 is about 7 483.226.
Thus, the square root of 55 998 674 is not an integer, and therefore 55 998 674 is not a square number.
The square of a number (here 55 998 674) is the result of the product of this number (55 998 674) by itself (i.e., 55 998 674 × 55 998 674); the square of 55 998 674 is sometimes called "raising 55 998 674 to the power 2", or "55 998 674 squared".
The square of 55 998 674 is 3 135 851 489 758 276 because 55 998 674 × 55 998 674 = 55 998 6742 = 3 135 851 489 758 276.
As a consequence, 55 998 674 is the square root of 3 135 851 489 758 276.
55 998 674 is a number with 8 digits.
The multiples of 55 998 674 are all integers evenly divisible by 55 998 674, that is all numbers such that the remainder of the division by 55 998 674 is zero. There are infinitely many multiples of 55 998 674. The smallest multiples of 55 998 674 are: