Least Common Multiple (LCM) of 15 and 37
The least common multiple (LCM) of 15 and 37 is 555.
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 15 and 37?
First, calculate the GCD of 15 and 37 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 15 ÷ 37 = 0 remainder 15 |
| 2 | 37 ÷ 15 = 2 remainder 7 |
| 3 | 15 ÷ 7 = 2 remainder 1 |
| 4 | 7 ÷ 1 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 39 and 17 | 663 |
| 66 and 15 | 330 |
| 16 and 200 | 400 |
| 58 and 136 | 3944 |
| 129 and 177 | 7611 |