Least Common Multiple (LCM) of 149 and 28
The least common multiple (LCM) of 149 and 28 is 4172.
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 28?
First, calculate the GCD of 149 and 28 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 149 ÷ 28 = 5 remainder 9 |
| 2 | 28 ÷ 9 = 3 remainder 1 |
| 3 | 9 ÷ 1 = 9 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 124 and 87 | 10788 |
| 123 and 170 | 20910 |
| 15 and 136 | 2040 |
| 176 and 111 | 19536 |
| 31 and 153 | 4743 |