Question

lcm of 420 and 504
is there a specific way to find it

Answer 1

right up your alley!

Answer 2

Do you know how to find the gcd of 420 and 504? If so, there's a nice formula. FOr any numbers a and b:\[ab=\gcd(a,b)\cdot \mbox{lcm}(a,b)\]So if you knew the gcd(a,b), you would just have to multiply 420 and 504, then divide by the gcd.

Answer 3

thanks