It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 27 426 167 is not a prime number.
For example, 27 426 167 can be divided by 137: 27 426 167 / 137 = 200 191.
For 27 426 167 to be a prime number, it would have been required that 27 426 167 has only two divisors, i.e., itself and 1.
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27 426 167 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 27 426 167 is about 5 237.000.
Thus, the square root of 27 426 167 is not an integer, and therefore 27 426 167 is not a square number.
The square of a number (here 27 426 167) is the result of the product of this number (27 426 167) by itself (i.e., 27 426 167 × 27 426 167); the square of 27 426 167 is sometimes called "raising 27 426 167 to the power 2", or "27 426 167 squared".
The square of 27 426 167 is 752 194 636 311 889 because 27 426 167 × 27 426 167 = 27 426 1672 = 752 194 636 311 889.
As a consequence, 27 426 167 is the square root of 752 194 636 311 889.
27 426 167 is a number with 8 digits.
The multiples of 27 426 167 are all integers evenly divisible by 27 426 167, that is all numbers such that the remainder of the division by 27 426 167 is zero. There are infinitely many multiples of 27 426 167. The smallest multiples of 27 426 167 are: