Least Common Multiple (LCM) of 121 and 22
The least common multiple (LCM) of 121 and 22 is 242.
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 22?
First, calculate the GCD of 121 and 22 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 121 ÷ 22 = 5 remainder 11 |
| 2 | 22 ÷ 11 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 32 and 20 | 160 |
| 169 and 103 | 17407 |
| 171 and 54 | 1026 |
| 83 and 170 | 14110 |
| 133 and 156 | 20748 |