It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 201 442 is not a prime number.
For example, 201 442 can be divided by 2: 201 442 / 2 = 100 721.
For 201 442 to be a prime number, it would have been required that 201 442 has only two divisors, i.e., itself and 1.
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201 442 is an even number, because it is evenly divisible by 2: 201 442 / 2 = 100 721.
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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 201 442 is about 448.823.
Thus, the square root of 201 442 is not an integer, and therefore 201 442 is not a square number.
The square of a number (here 201 442) is the result of the product of this number (201 442) by itself (i.e., 201 442 × 201 442); the square of 201 442 is sometimes called "raising 201 442 to the power 2", or "201 442 squared".
The square of 201 442 is 40 578 879 364 because 201 442 × 201 442 = 201 4422 = 40 578 879 364.
As a consequence, 201 442 is the square root of 40 578 879 364.
The multiples of 201 442 are all integers evenly divisible by 201 442, that is all numbers such that the remainder of the division by 201 442 is zero. There are infinitely many multiples of 201 442. The smallest multiples of 201 442 are: