Least Common Multiple (LCM) of 114 and 42
The least common multiple (LCM) of 114 and 42 is 798.
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 114 and 42?
First, calculate the GCD of 114 and 42 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 114 ÷ 42 = 2 remainder 30 |
| 2 | 42 ÷ 30 = 1 remainder 12 |
| 3 | 30 ÷ 12 = 2 remainder 6 |
| 4 | 12 ÷ 6 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 18 and 168 | 504 |
| 40 and 161 | 6440 |
| 152 and 54 | 4104 |
| 63 and 73 | 4599 |
| 122 and 154 | 9394 |