Least Common Multiple (LCM) of 62 and 90
The least common multiple (LCM) of 62 and 90 is 2790.
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 62 and 90?
First, calculate the GCD of 62 and 90 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 62 ÷ 90 = 0 remainder 62 |
| 2 | 90 ÷ 62 = 1 remainder 28 |
| 3 | 62 ÷ 28 = 2 remainder 6 |
| 4 | 28 ÷ 6 = 4 remainder 4 |
| 5 | 6 ÷ 4 = 1 remainder 2 |
| 6 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 109 and 48 | 5232 |
| 177 and 21 | 1239 |
| 63 and 161 | 1449 |
| 32 and 129 | 4128 |
| 173 and 128 | 22144 |