Least Common Multiple (LCM) of 117 and 125
The least common multiple (LCM) of 117 and 125 is 14625.
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 117 and 125?
First, calculate the GCD of 117 and 125 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 117 ÷ 125 = 0 remainder 117 |
| 2 | 125 ÷ 117 = 1 remainder 8 |
| 3 | 117 ÷ 8 = 14 remainder 5 |
| 4 | 8 ÷ 5 = 1 remainder 3 |
| 5 | 5 ÷ 3 = 1 remainder 2 |
| 6 | 3 ÷ 2 = 1 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 12 and 72 | 72 |
| 132 and 128 | 4224 |
| 180 and 158 | 14220 |
| 175 and 78 | 13650 |
| 95 and 166 | 15770 |