Least Common Multiple (LCM) of 102 and 90
The least common multiple (LCM) of 102 and 90 is 1530.
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 102 and 90?
First, calculate the GCD of 102 and 90 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 102 ÷ 90 = 1 remainder 12 |
| 2 | 90 ÷ 12 = 7 remainder 6 |
| 3 | 12 ÷ 6 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 196 and 41 | 8036 |
| 89 and 114 | 10146 |
| 63 and 128 | 8064 |
| 133 and 100 | 13300 |
| 87 and 104 | 9048 |