Least Common Multiple (LCM) of 156 and 138
The least common multiple (LCM) of 156 and 138 is 3588.
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 156 and 138?
First, calculate the GCD of 156 and 138 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 156 ÷ 138 = 1 remainder 18 |
| 2 | 138 ÷ 18 = 7 remainder 12 |
| 3 | 18 ÷ 12 = 1 remainder 6 |
| 4 | 12 ÷ 6 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 42 and 166 | 3486 |
| 141 and 26 | 3666 |
| 54 and 31 | 1674 |
| 178 and 126 | 11214 |
| 59 and 154 | 9086 |