It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 245 402 is not a prime number.
For example, 245 402 can be divided by 2: 245 402 / 2 = 122 701.
For 245 402 to be a prime number, it would have been required that 245 402 has only two divisors, i.e., itself and 1.
Find out more:
245 402 is an even number, because it is evenly divisible by 2: 245 402 / 2 = 122 701.
Find out more:
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 245 402 is about 495.381.
Thus, the square root of 245 402 is not an integer, and therefore 245 402 is not a square number.
The square of a number (here 245 402) is the result of the product of this number (245 402) by itself (i.e., 245 402 × 245 402); the square of 245 402 is sometimes called "raising 245 402 to the power 2", or "245 402 squared".
The square of 245 402 is 60 222 141 604 because 245 402 × 245 402 = 245 4022 = 60 222 141 604.
As a consequence, 245 402 is the square root of 60 222 141 604.
The multiples of 245 402 are all integers evenly divisible by 245 402, that is all numbers such that the remainder of the division by 245 402 is zero. There are infinitely many multiples of 245 402. The smallest multiples of 245 402 are: