Question

28,36,45,60 the hcf common answer

Answer 1

2|28|

2|14|

2|7

28=2^3×7

2|36|

2|18|

2|9|

36=2^3×3^2

5|45|

3|9|

3|3|

45=5×3^2

2|60|

2|30|

3|15|

5

60=2^2×3×5

hcf of28,36,45,60 is 1