Least Common Multiple (LCM) of 23 and 127
The least common multiple (LCM) of 23 and 127 is 2921.
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 23 and 127?
First, calculate the GCD of 23 and 127 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 23 ÷ 127 = 0 remainder 23 |
| 2 | 127 ÷ 23 = 5 remainder 12 |
| 3 | 23 ÷ 12 = 1 remainder 11 |
| 4 | 12 ÷ 11 = 1 remainder 1 |
| 5 | 11 ÷ 1 = 11 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 178 and 97 | 17266 |
| 185 and 75 | 2775 |
| 168 and 75 | 4200 |
| 42 and 30 | 210 |
| 184 and 55 | 10120 |