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draw a t chart the answer is for 20:1,2,4,5,10,20 for 30:1,2,3,5,6,10,15,30

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Q: How do you work out the factors of 20 and 30?
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What are all the factors of 30 which are also the factors of 20?

To find the common factors of 30 and 20, we first list the factors of each number. The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30. The factors of 20 are 1, 2, 4, 5, 10, and 20. The factors that are common to both numbers are 1, 2, 5, and 10.


Factors of 30 which are also factors of 20?

Factors for 30 are: 1, 2, 3, 5, 6, 10, 15, 30 Out of these which are also factors of 20 are: 1, 2, 5, 10


What are the prime factors of 20 and 30 no factor is repeated?

The prime factors of 20 are 2 and 5. The prime factors of 30 are 2, 3 and 5.


Does 20 or 30 have more factors?

The positive integer factors of 20 are: 1 2 4 5 10 20 The positive integer factors of 30 are: 1 2 3 5 6 10 15 30 Therefore, out of the two numbers, 30 has more factors.


What are the common factors for 20 and 30?

The factors of 20 are 1, 2, 4, 5, 10 and 20. The factors of 30 are 1, 2, 3, 5, 6, 10, 15 and 30. Therefore their common factors are 1, 2, 5 and 10.


What is the gcf of 20 and 30 and 80?

The factors of 20 are 1, 2, 4, 5, 10, and 20.The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30.The factors of 80 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 80The gcf of 20, 30, and 80 is 10.


What are the common factors of 10 20 and 30?

The factors of 10 are: 1, 2, 5, 10.The factors of 20 are: 1, 2, 4, 5, 10, 20.The factors of 30 are: 1, 2, 3, 5, 6, 10, 15, 30.The common factors are: 1, 2, 5, 10.


How is 20 over 30 written in simplest form?

20/30 - look for common factors between the top (numerator) and bottom (denominator) numbers. Both divide by 10: 20/30 = 2/3 No more common factors, answer: 20/30 = 2/3


What is another number from 20 to 30 that has the same number factors as 28?

20 and 28 both have six factors.


What are HCF of 20 and 30?

To find the HCF of 20 and 30, break them down into their prime factors: 20 = 2x2x5 30 = 2x3x5 The next step is to identify any common prime factors. In this case both numbers have a 2 and a 5 as prime factors. Multiply these together and you get: 2x5 = 10 Therefore the HCF of 20 and 30 is 10.


Write all the factors of 30 which are also factors of 20?

1,2,5,10 hello


What are the common factors of 20 and 30?

The factors of 20 are 1, 2, 4, 5, 10, and 20The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30The common factors of 20 and 30 are 1, 2, 5, and 10