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Q: Is 20 prime or a composite number?

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20 is composite.

wowo is it a composite number dang how did I not see that...

20 is a Composite Number.

composite

20 is a composite number

20 is a composite number. Its factors are 1, 2, 4, 5, 10, and 20.

20 is a composite number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.

20

LCM of a prime number and a composite number is always equal to their product if the composite number is not a multiple of the prime number. Here, 41 is a prime number and 20 is a composite number. Therefore LCM(20,41) = 20 x 41 = 820

A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 20 is composite.

20 is composite: it is divisible by 1, 2, 4, 5, 10, and 20. All even numbers, except the number two, are composite.

It is 19 which is a prime number

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