It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 214 738 is not a prime number.
For example, 214 738 can be divided by 2: 214 738 / 2 = 107 369.
For 214 738 to be a prime number, it would have been required that 214 738 has only two divisors, i.e., itself and 1.
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214 738 is an even number, because it is evenly divisible by 2: 214 738 / 2 = 107 369.
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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 214 738 is about 463.398.
Thus, the square root of 214 738 is not an integer, and therefore 214 738 is not a square number.
The square of a number (here 214 738) is the result of the product of this number (214 738) by itself (i.e., 214 738 × 214 738); the square of 214 738 is sometimes called "raising 214 738 to the power 2", or "214 738 squared".
The square of 214 738 is 46 112 408 644 because 214 738 × 214 738 = 214 7382 = 46 112 408 644.
As a consequence, 214 738 is the square root of 46 112 408 644.
The multiples of 214 738 are all integers evenly divisible by 214 738, that is all numbers such that the remainder of the division by 214 738 is zero. There are infinitely many multiples of 214 738. The smallest multiples of 214 738 are: