Question

find the lowest common multiple of 42 and 462

Answer 1

to get the lowest common multiple of 42 and 462 we need to factor each value first then choose the common factor from all
in 42:237
    462:23711
lcm =23711
lcm=2*3*7*11=462

Answer 2

462 is the multiple of 42
therefore
lcm = 462