It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 274 474 is not a prime number.
For example, 274 474 can be divided by 2: 274 474 / 2 = 137 237.
For 274 474 to be a prime number, it would have been required that 274 474 has only two divisors, i.e., itself and 1.
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274 474 is an even number, because it is evenly divisible by 2: 274 474 / 2 = 137 237.
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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 274 474 is about 523.903.
Thus, the square root of 274 474 is not an integer, and therefore 274 474 is not a square number.
The square of a number (here 274 474) is the result of the product of this number (274 474) by itself (i.e., 274 474 × 274 474); the square of 274 474 is sometimes called "raising 274 474 to the power 2", or "274 474 squared".
The square of 274 474 is 75 335 976 676 because 274 474 × 274 474 = 274 4742 = 75 335 976 676.
As a consequence, 274 474 is the square root of 75 335 976 676.
The multiples of 274 474 are all integers evenly divisible by 274 474, that is all numbers such that the remainder of the division by 274 474 is zero. There are infinitely many multiples of 274 474. The smallest multiples of 274 474 are: