Least Common Multiple (LCM) of 124 and 170
The least common multiple (LCM) of 124 and 170 is 10540.
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 170?
First, calculate the GCD of 124 and 170 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 124 ÷ 170 = 0 remainder 124 |
| 2 | 170 ÷ 124 = 1 remainder 46 |
| 3 | 124 ÷ 46 = 2 remainder 32 |
| 4 | 46 ÷ 32 = 1 remainder 14 |
| 5 | 32 ÷ 14 = 2 remainder 4 |
| 6 | 14 ÷ 4 = 3 remainder 2 |
| 7 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 156 and 128 | 4992 |
| 194 and 115 | 22310 |
| 164 and 127 | 20828 |
| 127 and 65 | 8255 |
| 69 and 46 | 138 |