Least Common Multiple (LCM) of 153 and 122
The least common multiple (LCM) of 153 and 122 is 18666.
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 153 and 122?
First, calculate the GCD of 153 and 122 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 153 ÷ 122 = 1 remainder 31 |
| 2 | 122 ÷ 31 = 3 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 |
|---|---|
| 79 and 56 | 4424 |
| 194 and 125 | 24250 |
| 17 and 70 | 1190 |
| 161 and 53 | 8533 |
| 198 and 11 | 198 |