Least Common Multiple (LCM) of 27 and 122
The least common multiple (LCM) of 27 and 122 is 3294.
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 27 and 122?
First, calculate the GCD of 27 and 122 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 27 ÷ 122 = 0 remainder 27 |
| 2 | 122 ÷ 27 = 4 remainder 14 |
| 3 | 27 ÷ 14 = 1 remainder 13 |
| 4 | 14 ÷ 13 = 1 remainder 1 |
| 5 | 13 ÷ 1 = 13 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 140 and 31 | 4340 |
| 90 and 175 | 3150 |
| 179 and 66 | 11814 |
| 193 and 169 | 32617 |
| 148 and 85 | 12580 |