The GCF is 21.
LCM(63, 42, 21) = 126
The LCM is: 126
The LCM of 42 and 63 is 126
126
Oh, dude, the greatest common factor of those numbers is like the biggest number that can divide all of them without leaving a remainder. So, you just gotta find the factors of each number and see which one they all have in common. It's like a math puzzle, but not as fun as a jigsaw puzzle. So, the greatest common factor of 84, 126, 294, and 462 is 42.
The LCM is: 126
126
The GCF is 21.
The GCF is 21.
The Highest Common Factor is 126
The GCF of 63, 84 and 126 is 21. The GCF of 6384 and 126 is 42.