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.
The factors of 10 are 1, 2, 5, and 10. The factors of 20 are 1, 2, 4, 5, 10, and 20. Common factors of 10 and 20 are 1, 2, 5, and 10. 1,2,5,10. 1, 2, 5 and 10.
They are: 1, 2, 4, 5, 10 and 20
The factors of 10 are: 1, 2, 5, 10.The factors of 15 are: 1, 3, 5, 15.The factors of 20 are: 1, 2, 4, 5, 10, 20.The common factors are: 1, 5.
The factors of 20 are 1, 2, 4, 5, 10, and 20.
20 is a composite number. Its factors are 1, 2, 4, 5, 10, and 20.
5, 10, 15 and 20 have five as a factor. The number 16 has five factors.
It is 10 whose factors are: 1, 2, 5 and 10
20 is a composite number. Its factors are 1, 2, 4, 5, 10, and 20. A prime has no factors other that 1 and itself.
1 and 20, 2 and 10, 4 and 5 are all of the pairs of factors of 20.
Factors of 20 are: 1 2 4 5 10 and 20
20
The factors of 10 are 1, 2, 5, and 10. The factors of 20 are 1, 2, 4, 5, 10, and 20. Common factors of 10 and 20 are 1, 2, 5, and 10. 1,2,5,10. 1, 2, 5 and 10.
They are: 1, 2, 4, 5, 10 and 20
The common factors of 20 and 40 are 20,10,5,4,2,1.
The factors of 10 are: 1, 2, 5, 10.The factors of 15 are: 1, 3, 5, 15.The factors of 20 are: 1, 2, 4, 5, 10, 20.The common factors are: 1, 5.
Six: 1 2 4 5 10 20.