It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 550 201 is not a prime number.
For example, 550 201 can be divided by 73: 550 201 / 73 = 7 537.
For 550 201 to be a prime number, it would have been required that 550 201 has only two divisors, i.e., itself and 1.
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550 201 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 550 201 is about 741.755.
Thus, the square root of 550 201 is not an integer, and therefore 550 201 is not a square number.
The square of a number (here 550 201) is the result of the product of this number (550 201) by itself (i.e., 550 201 × 550 201); the square of 550 201 is sometimes called "raising 550 201 to the power 2", or "550 201 squared".
The square of 550 201 is 302 721 140 401 because 550 201 × 550 201 = 550 2012 = 302 721 140 401.
As a consequence, 550 201 is the square root of 302 721 140 401.
The multiples of 550 201 are all integers evenly divisible by 550 201, that is all numbers such that the remainder of the division by 550 201 is zero. There are infinitely many multiples of 550 201. The smallest multiples of 550 201 are: