Question

How do you find GCD and LCM of 624 and 816 by factoring?

Answer 1

GCD=48
LCM=10608

Explanation:

prime factorize 624: `2^4*3*13`

prime factorize 816: `2^4*3*17`

`2^4*3=48` is the greatest common divisor (find matching factors)

LCM=`(Number_1*Number_2)/(GCF)`

`=623*816/48=10608`