Least Common Multiple (LCM) of 139 and 56
The least common multiple (LCM) of 139 and 56 is 7784.
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 56?
First, calculate the GCD of 139 and 56 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 139 ÷ 56 = 2 remainder 27 |
| 2 | 56 ÷ 27 = 2 remainder 2 |
| 3 | 27 ÷ 2 = 13 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 95 and 131 | 12445 |
| 134 and 178 | 11926 |
| 86 and 91 | 7826 |
| 70 and 188 | 6580 |
| 193 and 71 | 13703 |