Least Common Multiple (LCM) of 30 and 37
The least common multiple (LCM) of 30 and 37 is 1110.
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 30 and 37?
First, calculate the GCD of 30 and 37 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 30 ÷ 37 = 0 remainder 30 |
| 2 | 37 ÷ 30 = 1 remainder 7 |
| 3 | 30 ÷ 7 = 4 remainder 2 |
| 4 | 7 ÷ 2 = 3 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 31 and 64 | 1984 |
| 65 and 75 | 975 |
| 117 and 173 | 20241 |
| 112 and 43 | 4816 |
| 185 and 108 | 19980 |