Least Common Multiple (LCM) of 173 and 127
The least common multiple (LCM) of 173 and 127 is 21971.
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 173 and 127?
First, calculate the GCD of 173 and 127 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 173 ÷ 127 = 1 remainder 46 |
| 2 | 127 ÷ 46 = 2 remainder 35 |
| 3 | 46 ÷ 35 = 1 remainder 11 |
| 4 | 35 ÷ 11 = 3 remainder 2 |
| 5 | 11 ÷ 2 = 5 remainder 1 |
| 6 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 144 and 25 | 3600 |
| 91 and 15 | 1365 |
| 149 and 84 | 12516 |
| 63 and 100 | 6300 |
| 68 and 139 | 9452 |