1,2,4
The factors of 4 are 1,2, and 4.The factors of 20 are 1,2,4,5,10 and 20.The factors of 24 are 1,2,3,4,6,8,12, and 24.1, 2, and 4 are the only common factors for 4, 20, and 24.
The only common factor of 4 and 5 is 1. 4 and 5 are common factors of 20 and 40.
4
20, among others.
20 and 40.
20
140
Factors of 20:1,2,4,5,10,20Factors of 65:1,5,13,65The common factors are 1 and 5.
Common factors of 20 are; 1,2,4,5, and 20. 1x20=20, 2x10=20, 4x5=20, 5x4=20, 20x1+=20. If you have to show your work then just check mine.The factors of 20 are 1,2,4,5,10 and 20. For them to be common, they have to be compared to another set of factors.
The common factors of 18 and 20 are 1 and 2.
The common factors of 20 and 26 are 1 and 2