Least Common Multiple (LCM) of 145 and 139
The least common multiple (LCM) of 145 and 139 is 20155.
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 145 and 139?
First, calculate the GCD of 145 and 139 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 145 ÷ 139 = 1 remainder 6 |
| 2 | 139 ÷ 6 = 23 remainder 1 |
| 3 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 71 and 121 | 8591 |
| 110 and 65 | 1430 |
| 79 and 34 | 2686 |
| 178 and 49 | 8722 |
| 54 and 32 | 864 |