Least Common Multiple (LCM) of 161 and 102
The least common multiple (LCM) of 161 and 102 is 16422.
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 161 and 102?
First, calculate the GCD of 161 and 102 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 161 ÷ 102 = 1 remainder 59 |
| 2 | 102 ÷ 59 = 1 remainder 43 |
| 3 | 59 ÷ 43 = 1 remainder 16 |
| 4 | 43 ÷ 16 = 2 remainder 11 |
| 5 | 16 ÷ 11 = 1 remainder 5 |
| 6 | 11 ÷ 5 = 2 remainder 1 |
| 7 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 139 and 140 | 19460 |
| 128 and 179 | 22912 |
| 187 and 178 | 33286 |
| 79 and 95 | 7505 |
| 149 and 100 | 14900 |