Least Common Multiple (LCM) of 52 and 90
The least common multiple (LCM) of 52 and 90 is 2340.
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 52 and 90?
First, calculate the GCD of 52 and 90 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 52 ÷ 90 = 0 remainder 52 |
| 2 | 90 ÷ 52 = 1 remainder 38 |
| 3 | 52 ÷ 38 = 1 remainder 14 |
| 4 | 38 ÷ 14 = 2 remainder 10 |
| 5 | 14 ÷ 10 = 1 remainder 4 |
| 6 | 10 ÷ 4 = 2 remainder 2 |
| 7 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 178 and 23 | 4094 |
| 178 and 38 | 3382 |
| 138 and 86 | 5934 |
| 131 and 118 | 15458 |
| 76 and 197 | 14972 |