The factors of the number 23 are 23 and 1. Factors of a number are the numbers that are multiplied together to equal the given number.
Continue ReadingA prime number is any positive number that is only divisible evenly by itself and the number one. Since the number 23 only has two factors, itself and one, it is a prime number.
A prime number only refers to whole numbers, not decimals or fractions. If a positive number is not a prime number, it is a composite number. A composite number has at least one additional divisor other than the number one and itself.
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