Least Common Multiple (LCM) of 76 and 140
The least common multiple (LCM) of 76 and 140 is 2660.
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 140?
First, calculate the GCD of 76 and 140 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 76 ÷ 140 = 0 remainder 76 |
| 2 | 140 ÷ 76 = 1 remainder 64 |
| 3 | 76 ÷ 64 = 1 remainder 12 |
| 4 | 64 ÷ 12 = 5 remainder 4 |
| 5 | 12 ÷ 4 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 129 and 126 | 5418 |
| 162 and 160 | 12960 |
| 13 and 150 | 1950 |
| 138 and 38 | 2622 |
| 43 and 85 | 3655 |