Least Common Multiple (LCM) of 23 and 122
The least common multiple (LCM) of 23 and 122 is 2806.
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 23 and 122?
First, calculate the GCD of 23 and 122 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 23 ÷ 122 = 0 remainder 23 |
| 2 | 122 ÷ 23 = 5 remainder 7 |
| 3 | 23 ÷ 7 = 3 remainder 2 |
| 4 | 7 ÷ 2 = 3 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 170 and 62 | 5270 |
| 157 and 53 | 8321 |
| 104 and 30 | 1560 |
| 193 and 111 | 21423 |
| 149 and 88 | 13112 |