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

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It is: 49-28 = 21

22, 24, 25, 26, 28

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

No, 28 is a Composite Number.

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

20, 21, 22, 24, 25, 26, 27, 28 and 30 are all composite numbers.

composite and 2*2*7 = 28

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

1,2,4,7,14,28

30

20 21 22 24 25 26 27 28 30

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

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

28 is a composite number because it can be divided by more numbers than it's self and one.

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

28 is composite. All even numbers greater than two are composite. 28 = 4 x 7 so it's not a prime number

28 is a composite number because it has 6 factors: 1, 2, 4, 7, 14, and 28.

Not all numbers between 20 and 28 are composite numbers. 23 is a prime number.

28, like all even numbers greater than 2, is a composite number.

No 28 is a composite number and not a multiple of 3

20, 21, 22, 24, 25, 26, 27, 28, 30 are composite.

composite because it has more than two factors

28 is composite. Its factors are 1, 2, 4, 7, 14 and 28. Since it has factors other than 1 and itself, it is not prime - it is composite.Its prime factors are 2×2×7.28 is an even number greater than 2. It is a composite number.28 is composite.

2 and 7