Least Common Multiple (LCM) of 84 and 154
The least common multiple (LCM) of 84 and 154 is 924.
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 84 and 154?
First, calculate the GCD of 84 and 154 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 84 ÷ 154 = 0 remainder 84 |
| 2 | 154 ÷ 84 = 1 remainder 70 |
| 3 | 84 ÷ 70 = 1 remainder 14 |
| 4 | 70 ÷ 14 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 84 and 15 | 420 |
| 191 and 146 | 27886 |
| 199 and 193 | 38407 |
| 116 and 118 | 6844 |
| 105 and 158 | 16590 |