The common factor of 15, 16, and 20 is just 1
15 and 20: 10, 5, 1 16 and 20: 4
The factors of 16 are 1, 2, 4, 8 and 16. For them to be common, they need to be compared to another set of factors.
The factors of 15 are 1, 3, 5, and 15. The factors of 20 are 1, 2, 4, 5, 10, and 20. The common factors are 1 and 5.
The common factors are: 1, 5
The common factors are of both 16 and 20 are: 1, 2, 4
The common factors are: 1, 5.
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 LCM of 15, 16 and 20 is 240.
The factors of 16 are 1, 2, 4, 8, and 16.The factors of 40 are 1, 2, 4, 5, 8, 10, 20, and 40.The common factors of 16 and 40 are 1, 2, 4, and 8.
The common factors of 16 and 20 are: 1, 2, 4.Factors of 20: 1, 2, 4, 5, 10, and 20Factors of 16: 1, 2, 4, 8, and 16The common factors of 20 and 16 are 1, 2, and 4, and the GCF of 20 and 16 is 4.
The common factors are: 1, 5.
15: 1,3,5,15 20: 1,2,4,5,10,20