Least Common Multiple (LCM) of 141 and 84
The least common multiple (LCM) of 141 and 84 is 3948.
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 141 and 84?
First, calculate the GCD of 141 and 84 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 141 ÷ 84 = 1 remainder 57 |
| 2 | 84 ÷ 57 = 1 remainder 27 |
| 3 | 57 ÷ 27 = 2 remainder 3 |
| 4 | 27 ÷ 3 = 9 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 45 and 118 | 5310 |
| 121 and 122 | 14762 |
| 185 and 105 | 3885 |
| 78 and 53 | 4134 |
| 38 and 74 | 1406 |