Best Answer

20 has 3 factor pairs. Pairs are (1,20), (2,10) and (9,9)

Q: How many factor pairs does 20 have and what are they?

Write your answer...

Submit

Still have questions?

Continue Learning about Basic Math

Factor pairs are just the factors of a number listed in a different way. The factors of 20 are 1, 2, 4, 5, 10, 20 The factor pairs of 20 are (20,1)(10,2)(5,4)

12 and 18 have three factor pairs.

How they're listed. The factors of 20 are 1, 2, 4, 5, 10, 20 The factor pairs of 20 are (20,1)(10,2)(5,4)

The number 18.

1 and 20 2 and 10 4 and 5

Related questions

There are 3 factor pairs of 20: 1 x 20, 2 x 10 and 4 x 5.

Three of them.

The factor pairs of 20 are: 20,1 / 10,2 / 5,4

There are 3 factor pairs of 20:20 = 1 x 2020 = 2 x 1020 = 4 x 5

Factor pairs are just the factors of a number listed in a different way. The factors of 20 are 1, 2, 4, 5, 10, 20 The factor pairs of 20 are (20,1)(10,2)(5,4)

The difference is between factor pairs and distinct factors. With square numbers, one of the factor pairs will be the same number twice. When listing the distinct factors, that number is only listed once.

12 and 18 have three factor pairs.

12 and 18 have three factor pairs.

Sixteen factor pairs.

20,110,25,4

The factor pairs of 20 are: 20,1 / 10,2 / 5,4

3 pairs of factors. They are: 1 and 20 2 and 10 4 and 5 Pairs of factors are numbers that you multiply together to make that number, e.g. 4x5=20. Trust me I'm a teacher!