Least Common Multiple (LCM) of 136 and 84
The least common multiple (LCM) of 136 and 84 is 2856.
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 136 and 84?
First, calculate the GCD of 136 and 84 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 136 ÷ 84 = 1 remainder 52 |
| 2 | 84 ÷ 52 = 1 remainder 32 |
| 3 | 52 ÷ 32 = 1 remainder 20 |
| 4 | 32 ÷ 20 = 1 remainder 12 |
| 5 | 20 ÷ 12 = 1 remainder 8 |
| 6 | 12 ÷ 8 = 1 remainder 4 |
| 7 | 8 ÷ 4 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 72 and 54 | 216 |
| 34 and 123 | 4182 |
| 50 and 137 | 6850 |
| 196 and 118 | 11564 |
| 17 and 46 | 782 |