Study guides

☆☆

Q: What is one number that is a factor of 12 and 21?

Write your answer...

Submit

Still have questions?

Related questions

3 is a prime factor of 12 and of 21.

3

3

-- The greatest factor of 21 is 21 .-- The greatest factor of 12 is 12 .-- 1, 2, and 3 are factors of both 21 and 12 .-- The greatest common ('same for both') factor is 3 .

If you want the "greatest", then there can only be one of it.You can't have two different numbers and say that they'reboth the "greatest".The greatest common factor of 12 and 21 is 3 .

21 = (.12)(x) 21 / .12 = x Answer: 175

It is: 21/12 = 7/4

CF of 12 and 21 is 3.

Like 21? Prime numbers.

The Greatest Common Factor of 12, 36, 21 is 3.

The highest common factor of the numbers 12 and 21 is 3.

The factors of 21: 1, 3, 7, 21

If 21 is a multiple of the number, the number cannot have 90 as a factor.

21 is a composite number because it has at least one positive factor other than one or itself.

If 21 is a factor of a number, then the factors of 21 must also be factors. So 3 and 7

The only composite factor of 21 is 21.

16 and 21 only have one common factor, the number one.

Because 21 is a factor of 63. 21 is the greatest factor of 21. A larger number doesn't exist.

For 21, 3 and 7. For 12, 2 and 3.

3

The LCM of 12 and 21 is 84. To find the LCM, prime factor both numbers then multiply each factor the most times it was used in either number.12=2x2x321=3x7lcm=2x2x3x7=84The Least Common Multiple (LCM) for 12 21 is 84.

The O'Reilly Factor - 1996 2012-12-21 was released on: USA: 21 December 2012

You are 12-20. The only common factor of 11 and 21 is 1.

The GCF of 12, 21, and 88 is 1.

No 21 is not a factor of 24. In order for a number to be a factor of another number, x number times n number must equal the number you are trying to factor. Below is a self made image that explains factoring and shows you how to factor 24.