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Common factors of what? More info or this is not possible to answer.

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11y ago
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11y ago

3 times 7 for 21 and 7 times 4 for 28

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8y ago

The GCF is 4.

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Q: What is the set of common factors of twenty one and twenty eight?
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Related questions

What is 128 in word form?

one hundred twenty-eight


What is the greatest common factor of 6 and26?

The factors of six are one, two, three, and six. The factors of twenty six are one, two, thirteen, and twenty six. Two is the only factor of six that is also a factor of twenty six besides one. Therefore, two is the greatest common factor of six and twenty six.


How do you write eight and twenty one thousandths?

It is eight and twenty one thousandths.


What are the factors of 7 and 8 and 20?

The factors of seven are 1 and 7 (beca use 7 is a prime number) The factors of eight are 1, 2, 4, 8 The factors of twenty are 1, 2, 4, 5, 10, 20 The most common factor is one


List all the common factors of twenty-one and forty-nine?

1 and 7


How do you write eight and twenty-one thousandths in words?

It is eight and twenty one thousandths.


What is one-seventh of twenty eight?

One-seventh of twenty eight is four.


What is 821000000 in words?

Eight hundred and twenty one million = 821,000,000


How do you spell 128.50?

The number is "one hundred twenty-eight and fifty one-hundredths" or "one hundred twenty-eight point five zero". In currency, it would be "one hundred and twenty-eight dollars and fifty cents", commonly shortened to "one twenty eight fifty".


Is eight over twenty one in simplest form?

Eight over twenty one is in simplest form.


What is twenty-one and eight hundredths as a fraction?

Twenty-one and eight hundredths as a fraction = 527/25


How do you write 48.128 in words?

Forty-eight thousand, one hundred twenty-eight.