It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 166 626 002 is not a prime number.
For example, 166 626 002 can be divided by 2: 166 626 002 / 2 = 83 313 001.
For 166 626 002 to be a prime number, it would have been required that 166 626 002 has only two divisors, i.e., itself and 1.
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166 626 002 is an even number, because it is evenly divisible by 2: 166 626 002 / 2 = 83 313 001.
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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 166 626 002 is about 12 908.369.
Thus, the square root of 166 626 002 is not an integer, and therefore 166 626 002 is not a square number.
The square of a number (here 166 626 002) is the result of the product of this number (166 626 002) by itself (i.e., 166 626 002 × 166 626 002); the square of 166 626 002 is sometimes called "raising 166 626 002 to the power 2", or "166 626 002 squared".
The square of 166 626 002 is 27 764 224 542 504 004 because 166 626 002 × 166 626 002 = 166 626 0022 = 27 764 224 542 504 004.
As a consequence, 166 626 002 is the square root of 27 764 224 542 504 004.
166 626 002 is a number with 9 digits.
The multiples of 166 626 002 are all integers evenly divisible by 166 626 002, that is all numbers such that the remainder of the division by 166 626 002 is zero. There are infinitely many multiples of 166 626 002. The smallest multiples of 166 626 002 are: