It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 427 271 is not a prime number.
For example, 427 271 can be divided by 13: 427 271 / 13 = 32 867.
For 427 271 to be a prime number, it would have been required that 427 271 has only two divisors, i.e., itself and 1.
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427 271 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 427 271 is about 653.660.
Thus, the square root of 427 271 is not an integer, and therefore 427 271 is not a square number.
The square of a number (here 427 271) is the result of the product of this number (427 271) by itself (i.e., 427 271 × 427 271); the square of 427 271 is sometimes called "raising 427 271 to the power 2", or "427 271 squared".
The square of 427 271 is 182 560 507 441 because 427 271 × 427 271 = 427 2712 = 182 560 507 441.
As a consequence, 427 271 is the square root of 182 560 507 441.
The multiples of 427 271 are all integers evenly divisible by 427 271, that is all numbers such that the remainder of the division by 427 271 is zero. There are infinitely many multiples of 427 271. The smallest multiples of 427 271 are: