It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 137 879 738 is not a prime number.
For example, 137 879 738 can be divided by 2: 137 879 738 / 2 = 68 939 869.
For 137 879 738 to be a prime number, it would have been required that 137 879 738 has only two divisors, i.e., itself and 1.
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137 879 738 is an even number, because it is evenly divisible by 2: 137 879 738 / 2 = 68 939 869.
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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 137 879 738 is about 11 742.220.
Thus, the square root of 137 879 738 is not an integer, and therefore 137 879 738 is not a square number.
The square of a number (here 137 879 738) is the result of the product of this number (137 879 738) by itself (i.e., 137 879 738 × 137 879 738); the square of 137 879 738 is sometimes called "raising 137 879 738 to the power 2", or "137 879 738 squared".
The square of 137 879 738 is 19 010 822 150 948 644 because 137 879 738 × 137 879 738 = 137 879 7382 = 19 010 822 150 948 644.
As a consequence, 137 879 738 is the square root of 19 010 822 150 948 644.
137 879 738 is a number with 9 digits.
The multiples of 137 879 738 are all integers evenly divisible by 137 879 738, that is all numbers such that the remainder of the division by 137 879 738 is zero. There are infinitely many multiples of 137 879 738. The smallest multiples of 137 879 738 are: