What is the greatest common factor of 24 60 and 72

Greatest Common Factor - GCF

Factors of 24: 1; 2; 3; 4; 6; 8; 12; 24

Factors of 60: 1; 2; 3; 4; 5; 6; 10; 12; 15; 20; 30; 60

Factors of 72: 1; 2; 3; 4; 6; 8; 9; 12; 18; 23; 24; 36; 72

GCF (24; 60; 72) = 12

other method

24|2 60|2 72|2

12|2 30|2 36|2

6|2 15|3 18|2

3|3 5|5 9|3

1| 1| 3|3

1|

GCF (24; 60; 72) = 2 · 2 · 3 = 12