Least Common Multiple (LCM) of 46 and 123
The least common multiple (LCM) of 46 and 123 is 5658.
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 46 and 123?
First, calculate the GCD of 46 and 123 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 46 ÷ 123 = 0 remainder 46 |
| 2 | 123 ÷ 46 = 2 remainder 31 |
| 3 | 46 ÷ 31 = 1 remainder 15 |
| 4 | 31 ÷ 15 = 2 remainder 1 |
| 5 | 15 ÷ 1 = 15 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 28 and 47 | 1316 |
| 33 and 108 | 1188 |
| 150 and 151 | 22650 |
| 150 and 57 | 2850 |
| 162 and 197 | 31914 |