Least Common Multiple (LCM) of 149 and 71
The least common multiple (LCM) of 149 and 71 is 10579.
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 71?
First, calculate the GCD of 149 and 71 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 149 ÷ 71 = 2 remainder 7 |
| 2 | 71 ÷ 7 = 10 remainder 1 |
| 3 | 7 ÷ 1 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 143 and 180 | 25740 |
| 64 and 49 | 3136 |
| 21 and 100 | 2100 |
| 143 and 118 | 16874 |
| 68 and 130 | 4420 |