Least Common Multiple (LCM) of 15 and 92
The least common multiple (LCM) of 15 and 92 is 1380.
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 92?
First, calculate the GCD of 15 and 92 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 15 ÷ 92 = 0 remainder 15 |
| 2 | 92 ÷ 15 = 6 remainder 2 |
| 3 | 15 ÷ 2 = 7 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 156 and 121 | 18876 |
| 173 and 89 | 15397 |
| 64 and 162 | 5184 |
| 194 and 21 | 4074 |
| 78 and 87 | 2262 |