Least Common Multiple (LCM) of 125 and 178
The least common multiple (LCM) of 125 and 178 is 22250.
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 125 and 178?
First, calculate the GCD of 125 and 178 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 125 ÷ 178 = 0 remainder 125 |
| 2 | 178 ÷ 125 = 1 remainder 53 |
| 3 | 125 ÷ 53 = 2 remainder 19 |
| 4 | 53 ÷ 19 = 2 remainder 15 |
| 5 | 19 ÷ 15 = 1 remainder 4 |
| 6 | 15 ÷ 4 = 3 remainder 3 |
| 7 | 4 ÷ 3 = 1 remainder 1 |
| 8 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 62 and 160 | 4960 |
| 114 and 168 | 3192 |
| 15 and 20 | 60 |
| 42 and 108 | 756 |
| 158 and 54 | 4266 |