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Q: What are the composite number by 28 21 17?

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It is: 49-28 = 21

28 is a composite number because it has factors of 2 and 7.

22, 24, 25, 26, 28

38 - 17 = 21 / 2 = 10.5 so the number in the middle is 17 + 11 = 28

No, 28 is a Composite Number.

composite and 2*2*7 = 28

20 21 22 24 25 26 27 28 30

The composite factors of 28 are 4, 14, 28 The composite factors of 24 are 4, 6, 8, 12, 24

28 is a composite number because it has more than two factors but 29 is a prime number because it has only two factors.

The composite numbers between 21 and 31 are: 21 22 24 25 26 27 28 30

Nine: 18, 20, 21, 22, 24, 25, 26, 27, 28

We know that 28 is a composite number because:It is an even numberIt is divisible by more than 2 numbers

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