Question

How do you get the GCF and the LCM for 40 and 18?

Answer 1

The GCF of 40 and 18 is 2
The LCM of 40 and 18 is 360

Answer 2

Thank you so much...

Answer 3

Can you show me how you got that?

Answer 4

Ok for 40 you have: 2,4, 5,10
for 18 you have, 2,3,6,9, 18

so the only number you have in common there is 2 so that is the gcf

ok for lcm multiply 40 and 18 and you get 720 divide that by your gcf you get 360

Answer 5

Cool thank you...

Answer 6

You are welcome

Answer 7

Watch out just in case I have another Q K?

Answer 8

Ok i will

Answer 9

Is the GCF for 42 and 28, 84?

Answer 10

and the LCM is?