26 because:
1st one: 21
2nd one: 22
3rd one: 24
4th one: 25
5th one: 26
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The composite numbers immediately after 20 are:
21 22 24 25 26
Therefore, the fifth composite number after 20 is 26.
No one knows.
20 is a composite number because it has more than 2 factors
The only composite factor of 10 is 10. The composite factors of 20 are 4, 10, 20
Yes, 20 is a composite number because it has at least one positive factor other than one or itself.
composite