Study guides

☆☆

Q: What factors of a number equal 21?

Write your answer...

Submit

Still have questions?

Related questions

21. Its factors are 1, 3, 7 and 21 which add to 32.

It is when the prime factors of whole number are multiplied together that they equal that number. For example the prime factors of 21 are 3 and 7 so 3*7 = 21

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

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

4 factors they are 1,3,7 and 21

A composite number is a number that has more than two factors. The factors of 21 are 1, 3, 7, and 21. Therefore, 21 is a composite number.

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

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

3 times 7 = 21

The factors of 21 are 1, 3, 7 and 21. No two of them add up to 21.

A composite number is a number that has more than two factors. The factors of 21 are 1, 3, 7, and 21. Therefore, 21 is a composite number.

If a number has equal factors, it is a perfect square and the equal factors would be square roots.

People also asked