Least Common Multiple (LCM) of 60 and 39
The least common multiple (LCM) of 60 and 39 is 780.
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 60 and 39?
First, calculate the GCD of 60 and 39 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 60 ÷ 39 = 1 remainder 21 |
| 2 | 39 ÷ 21 = 1 remainder 18 |
| 3 | 21 ÷ 18 = 1 remainder 3 |
| 4 | 18 ÷ 3 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 94 and 26 | 1222 |
| 101 and 145 | 14645 |
| 83 and 128 | 10624 |
| 144 and 89 | 12816 |
| 123 and 159 | 6519 |