It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 137 000 423 is not a prime number.
For example, 137 000 423 can be divided by 7: 137 000 423 / 7 = 19 571 489.
For 137 000 423 to be a prime number, it would have been required that 137 000 423 has only two divisors, i.e., itself and 1.
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137 000 423 is an odd number, because it is not evenly divisible by 2.
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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 137 000 423 is about 11 704.718.
Thus, the square root of 137 000 423 is not an integer, and therefore 137 000 423 is not a square number.
The square of a number (here 137 000 423) is the result of the product of this number (137 000 423) by itself (i.e., 137 000 423 × 137 000 423); the square of 137 000 423 is sometimes called "raising 137 000 423 to the power 2", or "137 000 423 squared".
The square of 137 000 423 is 18 769 115 902 178 928 because 137 000 423 × 137 000 423 = 137 000 4232 = 18 769 115 902 178 928.
As a consequence, 137 000 423 is the square root of 18 769 115 902 178 928.
137 000 423 is a number with 9 digits.
The multiples of 137 000 423 are all integers evenly divisible by 137 000 423, that is all numbers such that the remainder of the division by 137 000 423 is zero. There are infinitely many multiples of 137 000 423. The smallest multiples of 137 000 423 are: