Least Common Multiple (LCM) of 187 and 40
The least common multiple (LCM) of 187 and 40 is 7480.
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 187 and 40?
First, calculate the GCD of 187 and 40 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 187 ÷ 40 = 4 remainder 27 |
| 2 | 40 ÷ 27 = 1 remainder 13 |
| 3 | 27 ÷ 13 = 2 remainder 1 |
| 4 | 13 ÷ 1 = 13 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 140 and 124 | 4340 |
| 142 and 107 | 15194 |
| 121 and 183 | 22143 |
| 130 and 30 | 390 |
| 74 and 21 | 1554 |