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21 and 28 are composite.

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โˆ™ 2014-07-01 21:47:51
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Factoring and Multiples

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

What is the difference of 49 and the first composite number after 27?

It is: 49-28 = 21


What are the composite number between 21 and 30?

22, 24, 25, 26, 28


Why is 28 a composite number?

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


Is it 28 is a prime?

No, 28 is a Composite Number.


What number is in the middle of 17 and 38?

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


Composite number between 20 and 30?

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


Is 28 prime or composite if it is composite write the prime factorization of the number?

composite and 2*2*7 = 28


What is a composite number for 28 and 24?

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


What are the factors of the composite number 28?

1,2,4,7,14,28


What is the first composite number after 28?

30


What is a composite number between 20 and 30?

20 21 22 24 25 26 27 28 30


Are 28 and 29 prime or composite?

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


What are the composite numbers between 21 and 31?

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


How do you know 28 is composite number?

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


Is 28 composite?

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


How many composite numbers fall between 17 and 29?

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


Is 28 composite or prime?

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


Is 28 a composite or prime or a neither?

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


Are 20-28 composite numbers?

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


Is 28 prime composite or square?

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


Are all multiples of 3 composite numbers?

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


What is the composite of 20-30?

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


Is 28 a prime or composite number and why?

composite because it has more than two factors


Is 28 prime or composite?

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.


What is a prime factor of the composite number 28?

2 and 7