Least Common Multiple (LCM) of 76 and 130
The least common multiple (LCM) of 76 and 130 is 4940.
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 76 and 130?
First, calculate the GCD of 76 and 130 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 76 ÷ 130 = 0 remainder 76 |
| 2 | 130 ÷ 76 = 1 remainder 54 |
| 3 | 76 ÷ 54 = 1 remainder 22 |
| 4 | 54 ÷ 22 = 2 remainder 10 |
| 5 | 22 ÷ 10 = 2 remainder 2 |
| 6 | 10 ÷ 2 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 155 and 128 | 19840 |
| 11 and 153 | 1683 |
| 195 and 152 | 29640 |
| 109 and 40 | 4360 |
| 159 and 170 | 27030 |