Least Common Multiple (LCM) of 170 and 129
The least common multiple (LCM) of 170 and 129 is 21930.
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 170 and 129?
First, calculate the GCD of 170 and 129 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 170 ÷ 129 = 1 remainder 41 |
| 2 | 129 ÷ 41 = 3 remainder 6 |
| 3 | 41 ÷ 6 = 6 remainder 5 |
| 4 | 6 ÷ 5 = 1 remainder 1 |
| 5 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 104 and 62 | 3224 |
| 72 and 170 | 6120 |
| 188 and 88 | 4136 |
| 176 and 118 | 10384 |
| 78 and 16 | 624 |