Least Common Multiple (LCM) of 139 and 145
The least common multiple (LCM) of 139 and 145 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 139 and 145?
First, calculate the GCD of 139 and 145 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 139 ÷ 145 = 0 remainder 139 |
| 2 | 145 ÷ 139 = 1 remainder 6 |
| 3 | 139 ÷ 6 = 23 remainder 1 |
| 4 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 30 and 75 | 150 |
| 62 and 32 | 992 |
| 143 and 130 | 1430 |
| 155 and 54 | 8370 |
| 150 and 196 | 14700 |