Least Common Multiple (LCM) of 84 and 137
The least common multiple (LCM) of 84 and 137 is 11508.
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 137?
First, calculate the GCD of 84 and 137 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 84 ÷ 137 = 0 remainder 84 |
| 2 | 137 ÷ 84 = 1 remainder 53 |
| 3 | 84 ÷ 53 = 1 remainder 31 |
| 4 | 53 ÷ 31 = 1 remainder 22 |
| 5 | 31 ÷ 22 = 1 remainder 9 |
| 6 | 22 ÷ 9 = 2 remainder 4 |
| 7 | 9 ÷ 4 = 2 remainder 1 |
| 8 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 185 and 14 | 2590 |
| 180 and 200 | 1800 |
| 51 and 195 | 3315 |
| 145 and 75 | 2175 |
| 42 and 128 | 2688 |