Is 72 a prime number? Numbers that have only 2 factors i.e. 1 and the number itself are prime numbers.
Understanding the Context
Let’s find out in detail how and why is 72 a prime number? No, 72 is a composite number. Composite numbers are numbers that have more than two factors. The number 72 is divisible by 2 other than 1 and itself, so it meets the definition of a composite.
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Key Insights
An integer greater than one is called a prime number if its only positive divisors (factors) are one and itself. For example, the only divisors of 11 are 1 and 11, so 11 is a prime number, while the. 72 - is not a Prime Number because it has 12 factors: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72 Number should have exactly two factors to be classified as a Prime number For 72 to be a prime.
