Least Common Multiple (LCM) of 121 and 36
The least common multiple (LCM) of 121 and 36 is 4356.
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 36?
First, calculate the GCD of 121 and 36 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 121 ÷ 36 = 3 remainder 13 |
| 2 | 36 ÷ 13 = 2 remainder 10 |
| 3 | 13 ÷ 10 = 1 remainder 3 |
| 4 | 10 ÷ 3 = 3 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 109 and 78 | 8502 |
| 37 and 186 | 6882 |
| 140 and 38 | 2660 |
| 161 and 23 | 161 |
| 11 and 107 | 1177 |