Least Common Multiple (LCM) of 171 and 69
The least common multiple (LCM) of 171 and 69 is 3933.
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 171 and 69?
First, calculate the GCD of 171 and 69 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 171 ÷ 69 = 2 remainder 33 |
| 2 | 69 ÷ 33 = 2 remainder 3 |
| 3 | 33 ÷ 3 = 11 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 72 and 92 | 1656 |
| 121 and 132 | 1452 |
| 138 and 63 | 2898 |
| 151 and 153 | 23103 |
| 91 and 61 | 5551 |