Least Common Multiple (LCM) of 129 and 187
The least common multiple (LCM) of 129 and 187 is 24123.
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 129 and 187?
First, calculate the GCD of 129 and 187 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 129 ÷ 187 = 0 remainder 129 |
| 2 | 187 ÷ 129 = 1 remainder 58 |
| 3 | 129 ÷ 58 = 2 remainder 13 |
| 4 | 58 ÷ 13 = 4 remainder 6 |
| 5 | 13 ÷ 6 = 2 remainder 1 |
| 6 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 95 and 103 | 9785 |
| 90 and 41 | 3690 |
| 189 and 74 | 13986 |
| 66 and 164 | 5412 |
| 21 and 32 | 672 |