Least Common Multiple (LCM) of 76 and 123
The least common multiple (LCM) of 76 and 123 is 9348.
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 76 and 123?
First, calculate the GCD of 76 and 123 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 76 ÷ 123 = 0 remainder 76 |
| 2 | 123 ÷ 76 = 1 remainder 47 |
| 3 | 76 ÷ 47 = 1 remainder 29 |
| 4 | 47 ÷ 29 = 1 remainder 18 |
| 5 | 29 ÷ 18 = 1 remainder 11 |
| 6 | 18 ÷ 11 = 1 remainder 7 |
| 7 | 11 ÷ 7 = 1 remainder 4 |
| 8 | 7 ÷ 4 = 1 remainder 3 |
| 9 | 4 ÷ 3 = 1 remainder 1 |
| 10 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 105 and 182 | 2730 |
| 189 and 129 | 8127 |
| 172 and 196 | 8428 |
| 52 and 89 | 4628 |
| 164 and 176 | 7216 |