It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 159 012 109 is not a prime number.
For example, 159 012 109 can be divided by 509: 159 012 109 / 509 = 312 401.
For 159 012 109 to be a prime number, it would have been required that 159 012 109 has only two divisors, i.e., itself and 1.
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159 012 109 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 159 012 109 is about 12 610.000.
Thus, the square root of 159 012 109 is not an integer, and therefore 159 012 109 is not a square number.
The square of a number (here 159 012 109) is the result of the product of this number (159 012 109) by itself (i.e., 159 012 109 × 159 012 109); the square of 159 012 109 is sometimes called "raising 159 012 109 to the power 2", or "159 012 109 squared".
The square of 159 012 109 is 25 284 850 808 627 880 because 159 012 109 × 159 012 109 = 159 012 1092 = 25 284 850 808 627 880.
As a consequence, 159 012 109 is the square root of 25 284 850 808 627 880.
159 012 109 is a number with 9 digits.
The multiples of 159 012 109 are all integers evenly divisible by 159 012 109, that is all numbers such that the remainder of the division by 159 012 109 is zero. There are infinitely many multiples of 159 012 109. The smallest multiples of 159 012 109 are: