Least Common Multiple (LCM) of 72 and 156
The least common multiple (LCM) of 72 and 156 is 936.
What is the Least Common Multiple (LCM)?
The LCM of two integers is the smallest positive integer that is divisible by both numbers. It is often used to find common denominators and solve problems involving periodic events.
Formula for LCM
The LCM of two numbers can be calculated using their GCD:
LCM(a, b) = |a × b| ÷ GCD(a, b)
How to Calculate the LCM of 72 and 156?
First, calculate the GCD of 72 and 156 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 72 ÷ 156 = 0 remainder 72 |
| 2 | 156 ÷ 72 = 2 remainder 12 |
| 3 | 72 ÷ 12 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 198 and 98 | 9702 |
| 33 and 85 | 2805 |
| 145 and 135 | 3915 |
| 104 and 180 | 4680 |
| 34 and 136 | 136 |