Least Common Multiple (LCM) of 61 and 52
The least common multiple (LCM) of 61 and 52 is 3172.
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 61 and 52?
First, calculate the GCD of 61 and 52 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 61 ÷ 52 = 1 remainder 9 |
| 2 | 52 ÷ 9 = 5 remainder 7 |
| 3 | 9 ÷ 7 = 1 remainder 2 |
| 4 | 7 ÷ 2 = 3 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 83 and 193 | 16019 |
| 68 and 131 | 8908 |
| 117 and 179 | 20943 |
| 163 and 90 | 14670 |
| 43 and 38 | 1634 |