Least Common Multiple (LCM) of 34 and 161
The least common multiple (LCM) of 34 and 161 is 5474.
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 34 and 161?
First, calculate the GCD of 34 and 161 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 34 ÷ 161 = 0 remainder 34 |
| 2 | 161 ÷ 34 = 4 remainder 25 |
| 3 | 34 ÷ 25 = 1 remainder 9 |
| 4 | 25 ÷ 9 = 2 remainder 7 |
| 5 | 9 ÷ 7 = 1 remainder 2 |
| 6 | 7 ÷ 2 = 3 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 138 and 29 | 4002 |
| 40 and 156 | 1560 |
| 137 and 50 | 6850 |
| 82 and 120 | 4920 |
| 174 and 141 | 8178 |