Least Common Multiple (LCM) of 140 and 108
The least common multiple (LCM) of 140 and 108 is 3780.
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 140 and 108?
First, calculate the GCD of 140 and 108 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 140 ÷ 108 = 1 remainder 32 |
| 2 | 108 ÷ 32 = 3 remainder 12 |
| 3 | 32 ÷ 12 = 2 remainder 8 |
| 4 | 12 ÷ 8 = 1 remainder 4 |
| 5 | 8 ÷ 4 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 114 and 142 | 8094 |
| 72 and 133 | 9576 |
| 97 and 70 | 6790 |
| 132 and 150 | 3300 |
| 124 and 111 | 13764 |