Least Common Multiple (LCM) of 69 and 139
The least common multiple (LCM) of 69 and 139 is 9591.
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 69 and 139?
First, calculate the GCD of 69 and 139 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 69 ÷ 139 = 0 remainder 69 |
| 2 | 139 ÷ 69 = 2 remainder 1 |
| 3 | 69 ÷ 1 = 69 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 126 and 155 | 19530 |
| 131 and 136 | 17816 |
| 143 and 87 | 12441 |
| 177 and 24 | 1416 |
| 35 and 174 | 6090 |