Least Common Multiple (LCM) of 29 and 138
The least common multiple (LCM) of 29 and 138 is 4002.
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 29 and 138?
First, calculate the GCD of 29 and 138 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 29 ÷ 138 = 0 remainder 29 |
| 2 | 138 ÷ 29 = 4 remainder 22 |
| 3 | 29 ÷ 22 = 1 remainder 7 |
| 4 | 22 ÷ 7 = 3 remainder 1 |
| 5 | 7 ÷ 1 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 46 and 132 | 3036 |
| 162 and 181 | 29322 |
| 89 and 129 | 11481 |
| 105 and 164 | 17220 |
| 165 and 113 | 18645 |