Least Common Multiple (LCM) of 122 and 91
The least common multiple (LCM) of 122 and 91 is 11102.
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 122 and 91?
First, calculate the GCD of 122 and 91 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 122 ÷ 91 = 1 remainder 31 |
| 2 | 91 ÷ 31 = 2 remainder 29 |
| 3 | 31 ÷ 29 = 1 remainder 2 |
| 4 | 29 ÷ 2 = 14 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 191 and 139 | 26549 |
| 194 and 20 | 1940 |
| 44 and 34 | 748 |
| 105 and 143 | 15015 |
| 194 and 34 | 3298 |