Least Common Multiple (LCM) of 139 and 105
The least common multiple (LCM) of 139 and 105 is 14595.
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 139 and 105?
First, calculate the GCD of 139 and 105 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 139 ÷ 105 = 1 remainder 34 |
| 2 | 105 ÷ 34 = 3 remainder 3 |
| 3 | 34 ÷ 3 = 11 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 161 and 23 | 161 |
| 104 and 91 | 728 |
| 103 and 112 | 11536 |
| 185 and 103 | 19055 |
| 179 and 71 | 12709 |