It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 137 237 998 is not a prime number.
For example, 137 237 998 can be divided by 2: 137 237 998 / 2 = 68 618 999.
For 137 237 998 to be a prime number, it would have been required that 137 237 998 has only two divisors, i.e., itself and 1.
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137 237 998 is an even number, because it is evenly divisible by 2: 137 237 998 / 2 = 68 618 999.
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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 137 237 998 is about 11 714.862.
Thus, the square root of 137 237 998 is not an integer, and therefore 137 237 998 is not a square number.
The square of a number (here 137 237 998) is the result of the product of this number (137 237 998) by itself (i.e., 137 237 998 × 137 237 998); the square of 137 237 998 is sometimes called "raising 137 237 998 to the power 2", or "137 237 998 squared".
The square of 137 237 998 is 18 834 268 095 048 004 because 137 237 998 × 137 237 998 = 137 237 9982 = 18 834 268 095 048 004.
As a consequence, 137 237 998 is the square root of 18 834 268 095 048 004.
137 237 998 is a number with 9 digits.
The multiples of 137 237 998 are all integers evenly divisible by 137 237 998, that is all numbers such that the remainder of the division by 137 237 998 is zero. There are infinitely many multiples of 137 237 998. The smallest multiples of 137 237 998 are: