Least Common Multiple (LCM) of 121 and 121
The least common multiple (LCM) of 121 and 121 is 121.
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 121?
First, calculate the GCD of 121 and 121 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 121 ÷ 121 = 1 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 107 and 198 | 21186 |
| 21 and 86 | 1806 |
| 87 and 78 | 2262 |
| 107 and 86 | 9202 |
| 78 and 128 | 4992 |