Least Common Multiple (LCM) of 84 and 156
The least common multiple (LCM) of 84 and 156 is 1092.
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 156?
First, calculate the GCD of 84 and 156 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 84 ÷ 156 = 0 remainder 84 |
| 2 | 156 ÷ 84 = 1 remainder 72 |
| 3 | 84 ÷ 72 = 1 remainder 12 |
| 4 | 72 ÷ 12 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 129 and 42 | 1806 |
| 83 and 108 | 8964 |
| 107 and 81 | 8667 |
| 37 and 159 | 5883 |
| 144 and 105 | 5040 |