It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 800 202 is not a prime number.
For example, 800 202 can be divided by 2: 800 202 / 2 = 400 101.
For 800 202 to be a prime number, it would have been required that 800 202 has only two divisors, i.e., itself and 1.
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800 202 is an even number, because it is evenly divisible by 2: 800 202 / 2 = 400 101.
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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 800 202 is about 894.540.
Thus, the square root of 800 202 is not an integer, and therefore 800 202 is not a square number.
The square of a number (here 800 202) is the result of the product of this number (800 202) by itself (i.e., 800 202 × 800 202); the square of 800 202 is sometimes called "raising 800 202 to the power 2", or "800 202 squared".
The square of 800 202 is 640 323 240 804 because 800 202 × 800 202 = 800 2022 = 640 323 240 804.
As a consequence, 800 202 is the square root of 640 323 240 804.
The multiples of 800 202 are all integers evenly divisible by 800 202, that is all numbers such that the remainder of the division by 800 202 is zero. There are infinitely many multiples of 800 202. The smallest multiples of 800 202 are: