You can put this solution on YOUR website! What is the least common multiple of 42 & 56?
---
Find the prime factor form of 42 and 56
42 = 2*3*7
56 = 2^3*7
---
The least common multiple must have each of the
prime factors in their highest power.
---
lcm = (2^3)*3*7 = 168
------------------------
Cheers,
Stan H.