Top Trending Is 21 A Prime Or Composite Number PNG

Top Trending Is 21 A Prime Or Composite Number
PNG. No, 21 is not a prime number. a number can be classified as prime or composite depending on the factors it contains; It could either have only 2 factors or more than 2 factors.

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Hey there, 21 is actually a composite number since 21 is divisible by 3 and 7. That captures the idea well, but is not a good enough definition. The prime numbers between 20 and 29 are 23 and 29.

By euclid's theorem, there are an infinite number of prime numbers.

21 is a composite number. It could either have only 2 factors or more than 2 factors. Numbers like 631 with only 2 factors, i.e. Any number greater than 5 that ends in a 5 can be divided by 5.