Least Common Multiple (LCM) of 121 and 33
The least common multiple (LCM) of 121 and 33 is 363.
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 33?
First, calculate the GCD of 121 and 33 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 121 ÷ 33 = 3 remainder 22 |
| 2 | 33 ÷ 22 = 1 remainder 11 |
| 3 | 22 ÷ 11 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 190 and 159 | 30210 |
| 86 and 197 | 16942 |
| 14 and 120 | 840 |
| 90 and 128 | 5760 |
| 63 and 151 | 9513 |