Question

Question #fc5b7

Answer 1

`9`

Explanation:

`"Factors of "36:{color(red)(1),2,color(red)(3),4,6,color(red)(9),12,18,36}`

`"Factors "45:{color(red)(1),color(red)(3),5,color(red)(9), 15, 45}`

`"Common factors "{1,3,9}`

`HCF(36,45)=9`