Least Common Multiple (LCM) of 127 and 139
The least common multiple (LCM) of 127 and 139 is 17653.
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 127 and 139?
First, calculate the GCD of 127 and 139 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 127 ÷ 139 = 0 remainder 127 |
| 2 | 139 ÷ 127 = 1 remainder 12 |
| 3 | 127 ÷ 12 = 10 remainder 7 |
| 4 | 12 ÷ 7 = 1 remainder 5 |
| 5 | 7 ÷ 5 = 1 remainder 2 |
| 6 | 5 ÷ 2 = 2 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 89 and 25 | 2225 |
| 193 and 147 | 28371 |
| 168 and 131 | 22008 |
| 52 and 23 | 1196 |
| 69 and 97 | 6693 |