Least Common Multiple (LCM) of 161 and 139
The least common multiple (LCM) of 161 and 139 is 22379.
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 139?
First, calculate the GCD of 161 and 139 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 161 ÷ 139 = 1 remainder 22 |
| 2 | 139 ÷ 22 = 6 remainder 7 |
| 3 | 22 ÷ 7 = 3 remainder 1 |
| 4 | 7 ÷ 1 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 34 and 53 | 1802 |
| 165 and 90 | 990 |
| 188 and 66 | 6204 |
| 73 and 120 | 8760 |
| 120 and 41 | 4920 |