To determine whether the number 120 is a prime number, it is necessary to check if it has any divisors besides 1 and itself. This involves checking if there are any other numbers that can divide 120 evenly, meaning without leaving a remainder. If such divisors exist, 120 is not a prime number; otherwise, it would be classified as prime.
To quickly check if 120 is a prime number:
Calculate the square root of 120
Prime numbers less than or equal to 10.95: 2, 3, 5, 7
- 120 is divisible by number: 2, 3, 5.
Since 120 is divisible by a number 2, 3, 5 other than 1 and itself, so it is not a prime number
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