Least Common Multiple (LCM) of 121 and 67
The least common multiple (LCM) of 121 and 67 is 8107.
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 121 and 67?
First, calculate the GCD of 121 and 67 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 121 ÷ 67 = 1 remainder 54 |
| 2 | 67 ÷ 54 = 1 remainder 13 |
| 3 | 54 ÷ 13 = 4 remainder 2 |
| 4 | 13 ÷ 2 = 6 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 103 and 144 | 14832 |
| 163 and 184 | 29992 |
| 71 and 99 | 7029 |
| 130 and 116 | 7540 |
| 199 and 48 | 9552 |