Least Common Multiple (LCM) of 154 and 49
The least common multiple (LCM) of 154 and 49 is 1078.
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 49?
First, calculate the GCD of 154 and 49 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 154 ÷ 49 = 3 remainder 7 |
| 2 | 49 ÷ 7 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 142 and 75 | 10650 |
| 159 and 141 | 7473 |
| 78 and 42 | 546 |
| 45 and 62 | 2790 |
| 145 and 142 | 20590 |