Least Common Multiple (LCM) of 121 and 136
The least common multiple (LCM) of 121 and 136 is 16456.
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 136?
First, calculate the GCD of 121 and 136 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 121 ÷ 136 = 0 remainder 121 |
| 2 | 136 ÷ 121 = 1 remainder 15 |
| 3 | 121 ÷ 15 = 8 remainder 1 |
| 4 | 15 ÷ 1 = 15 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 11 and 64 | 704 |
| 156 and 112 | 4368 |
| 116 and 90 | 5220 |
| 13 and 55 | 715 |
| 153 and 31 | 4743 |