Least Common Multiple (LCM) of 27 and 121
The least common multiple (LCM) of 27 and 121 is 3267.
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 121?
First, calculate the GCD of 27 and 121 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 27 ÷ 121 = 0 remainder 27 |
| 2 | 121 ÷ 27 = 4 remainder 13 |
| 3 | 27 ÷ 13 = 2 remainder 1 |
| 4 | 13 ÷ 1 = 13 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 136 and 176 | 2992 |
| 172 and 116 | 4988 |
| 160 and 38 | 3040 |
| 181 and 12 | 2172 |
| 164 and 85 | 13940 |