Least Common Multiple (LCM) of 90 and 85
The least common multiple (LCM) of 90 and 85 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 90 and 85?
First, calculate the GCD of 90 and 85 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 90 ÷ 85 = 1 remainder 5 |
| 2 | 85 ÷ 5 = 17 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 178 and 136 | 12104 |
| 74 and 102 | 3774 |
| 138 and 93 | 4278 |
| 141 and 126 | 5922 |
| 104 and 99 | 10296 |