It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 237 402 is not a prime number.
For example, 237 402 can be divided by 2: 237 402 / 2 = 118 701.
For 237 402 to be a prime number, it would have been required that 237 402 has only two divisors, i.e., itself and 1.
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237 402 is an even number, because it is evenly divisible by 2: 237 402 / 2 = 118 701.
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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 237 402 is about 487.239.
Thus, the square root of 237 402 is not an integer, and therefore 237 402 is not a square number.
The square of a number (here 237 402) is the result of the product of this number (237 402) by itself (i.e., 237 402 × 237 402); the square of 237 402 is sometimes called "raising 237 402 to the power 2", or "237 402 squared".
The square of 237 402 is 56 359 709 604 because 237 402 × 237 402 = 237 4022 = 56 359 709 604.
As a consequence, 237 402 is the square root of 56 359 709 604.
The multiples of 237 402 are all integers evenly divisible by 237 402, that is all numbers such that the remainder of the division by 237 402 is zero. There are infinitely many multiples of 237 402. The smallest multiples of 237 402 are: