Least Common Multiple (LCM) of 72 and 60
The least common multiple (LCM) of 72 and 60 is 360.
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 72 and 60?
First, calculate the GCD of 72 and 60 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 72 ÷ 60 = 1 remainder 12 |
| 2 | 60 ÷ 12 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 74 and 34 | 1258 |
| 47 and 41 | 1927 |
| 128 and 178 | 11392 |
| 197 and 165 | 32505 |
| 154 and 198 | 1386 |