Least Common Multiple (LCM) of 149 and 72
The least common multiple (LCM) of 149 and 72 is 10728.
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 72?
First, calculate the GCD of 149 and 72 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 149 ÷ 72 = 2 remainder 5 |
| 2 | 72 ÷ 5 = 14 remainder 2 |
| 3 | 5 ÷ 2 = 2 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 58 and 78 | 2262 |
| 19 and 199 | 3781 |
| 136 and 65 | 8840 |
| 86 and 189 | 16254 |
| 146 and 170 | 12410 |