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

1 Answer
Nov 3, 2017

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