1 and 5 are the factors of 20 which are odd.
It's not, because all the factors of 20 aren't prime.
No. 1 and 5 are the factors of 20 which aren't even.
20: 1,2,4,5,10,2050: 1,2,5,10,25,50Common Factors: 1,2,5,10
Because there are only six factors... 1,2,4,5,10 & 20
The factors of 20 are: 1, 2, 4, 5, 10, 20
Since 20 is a factor of 40, all of its factors are common.
The common factors of 20 and 30 are 1, 2, 5, and 10.
The positive integer factors of 20 are: 1, 2, 4, 5, 10, and 20.
The answer to the question is: "All of the common factors of 10, 25, and 20 are 1 and 5 ."
The prime factors of 20 are 2x2x5.
5, 10, and 20 are all multiples of 5 and factors of 20.