It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 121 202 is not a prime number.
For example, 121 202 can be divided by 2: 121 202 / 2 = 60 601.
For 121 202 to be a prime number, it would have been required that 121 202 has only two divisors, i.e., itself and 1.
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121 202 is an even number, because it is evenly divisible by 2: 121 202 / 2 = 60 601.
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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 121 202 is about 348.141.
Thus, the square root of 121 202 is not an integer, and therefore 121 202 is not a square number.
The square of a number (here 121 202) is the result of the product of this number (121 202) by itself (i.e., 121 202 × 121 202); the square of 121 202 is sometimes called "raising 121 202 to the power 2", or "121 202 squared".
The square of 121 202 is 14 689 924 804 because 121 202 × 121 202 = 121 2022 = 14 689 924 804.
As a consequence, 121 202 is the square root of 14 689 924 804.
The multiples of 121 202 are all integers evenly divisible by 121 202, that is all numbers such that the remainder of the division by 121 202 is zero. There are infinitely many multiples of 121 202. The smallest multiples of 121 202 are: