Least Common Multiple (LCM) of 124 and 76
The least common multiple (LCM) of 124 and 76 is 2356.
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 124 and 76?
First, calculate the GCD of 124 and 76 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 124 ÷ 76 = 1 remainder 48 |
| 2 | 76 ÷ 48 = 1 remainder 28 |
| 3 | 48 ÷ 28 = 1 remainder 20 |
| 4 | 28 ÷ 20 = 1 remainder 8 |
| 5 | 20 ÷ 8 = 2 remainder 4 |
| 6 | 8 ÷ 4 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 20 and 89 | 1780 |
| 18 and 43 | 774 |
| 192 and 132 | 2112 |
| 131 and 13 | 1703 |
| 34 and 15 | 510 |