Least Common Multiple (LCM) of 122 and 157
The least common multiple (LCM) of 122 and 157 is 19154.
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 157?
First, calculate the GCD of 122 and 157 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 122 ÷ 157 = 0 remainder 122 |
| 2 | 157 ÷ 122 = 1 remainder 35 |
| 3 | 122 ÷ 35 = 3 remainder 17 |
| 4 | 35 ÷ 17 = 2 remainder 1 |
| 5 | 17 ÷ 1 = 17 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 140 and 110 | 1540 |
| 38 and 26 | 494 |
| 198 and 117 | 2574 |
| 115 and 168 | 19320 |
| 18 and 146 | 1314 |