Least Common Multiple (LCM) of 84 and 130
The least common multiple (LCM) of 84 and 130 is 5460.
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 84 and 130?
First, calculate the GCD of 84 and 130 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 84 ÷ 130 = 0 remainder 84 |
| 2 | 130 ÷ 84 = 1 remainder 46 |
| 3 | 84 ÷ 46 = 1 remainder 38 |
| 4 | 46 ÷ 38 = 1 remainder 8 |
| 5 | 38 ÷ 8 = 4 remainder 6 |
| 6 | 8 ÷ 6 = 1 remainder 2 |
| 7 | 6 ÷ 2 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 139 and 112 | 15568 |
| 17 and 191 | 3247 |
| 65 and 199 | 12935 |
| 48 and 121 | 5808 |
| 111 and 53 | 5883 |