Least Common Multiple (LCM) of 138 and 44
The least common multiple (LCM) of 138 and 44 is 3036.
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 138 and 44?
First, calculate the GCD of 138 and 44 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 138 ÷ 44 = 3 remainder 6 |
| 2 | 44 ÷ 6 = 7 remainder 2 |
| 3 | 6 ÷ 2 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 152 and 90 | 6840 |
| 58 and 191 | 11078 |
| 21 and 27 | 189 |
| 179 and 129 | 23091 |
| 145 and 68 | 9860 |