It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 27 201 742 is not a prime number.
For example, 27 201 742 can be divided by 2: 27 201 742 / 2 = 13 600 871.
For 27 201 742 to be a prime number, it would have been required that 27 201 742 has only two divisors, i.e., itself and 1.
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27 201 742 is an even number, because it is evenly divisible by 2: 27 201 742 / 2 = 13 600 871.
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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 27 201 742 is about 5 215.529.
Thus, the square root of 27 201 742 is not an integer, and therefore 27 201 742 is not a square number.
The square of a number (here 27 201 742) is the result of the product of this number (27 201 742) by itself (i.e., 27 201 742 × 27 201 742); the square of 27 201 742 is sometimes called "raising 27 201 742 to the power 2", or "27 201 742 squared".
The square of 27 201 742 is 739 934 767 834 564 because 27 201 742 × 27 201 742 = 27 201 7422 = 739 934 767 834 564.
As a consequence, 27 201 742 is the square root of 739 934 767 834 564.
27 201 742 is a number with 8 digits.
The multiples of 27 201 742 are all integers evenly divisible by 27 201 742, that is all numbers such that the remainder of the division by 27 201 742 is zero. There are infinitely many multiples of 27 201 742. The smallest multiples of 27 201 742 are: