Least Common Multiple (LCM) of 149 and 140
The least common multiple (LCM) of 149 and 140 is 20860.
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 149 and 140?
First, calculate the GCD of 149 and 140 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 149 ÷ 140 = 1 remainder 9 |
| 2 | 140 ÷ 9 = 15 remainder 5 |
| 3 | 9 ÷ 5 = 1 remainder 4 |
| 4 | 5 ÷ 4 = 1 remainder 1 |
| 5 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 171 and 123 | 7011 |
| 120 and 125 | 3000 |
| 79 and 179 | 14141 |
| 101 and 144 | 14544 |
| 103 and 76 | 7828 |