It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 46 438 is not a prime number.
For example, 46 438 can be divided by 2: 46 438 / 2 = 23 219.
For 46 438 to be a prime number, it would have been required that 46 438 has only two divisors, i.e., itself and 1.
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46 438 is an even number, because it is evenly divisible by 2: 46 438 / 2 = 23 219.
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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 46 438 is about 215.495.
Thus, the square root of 46 438 is not an integer, and therefore 46 438 is not a square number.
The square of a number (here 46 438) is the result of the product of this number (46 438) by itself (i.e., 46 438 × 46 438); the square of 46 438 is sometimes called "raising 46 438 to the power 2", or "46 438 squared".
The square of 46 438 is 2 156 487 844 because 46 438 × 46 438 = 46 4382 = 2 156 487 844.
As a consequence, 46 438 is the square root of 2 156 487 844.
The multiples of 46 438 are all integers evenly divisible by 46 438, that is all numbers such that the remainder of the division by 46 438 is zero. There are infinitely many multiples of 46 438. The smallest multiples of 46 438 are: