Least Common Multiple (LCM) of 154 and 54
The least common multiple (LCM) of 154 and 54 is 4158.
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 154 and 54?
First, calculate the GCD of 154 and 54 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 154 ÷ 54 = 2 remainder 46 |
| 2 | 54 ÷ 46 = 1 remainder 8 |
| 3 | 46 ÷ 8 = 5 remainder 6 |
| 4 | 8 ÷ 6 = 1 remainder 2 |
| 5 | 6 ÷ 2 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 61 and 102 | 6222 |
| 138 and 24 | 552 |
| 19 and 50 | 950 |
| 115 and 182 | 20930 |
| 68 and 174 | 5916 |