Least Common Multiple (LCM) of 164 and 72
The least common multiple (LCM) of 164 and 72 is 2952.
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 164 and 72?
First, calculate the GCD of 164 and 72 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 164 ÷ 72 = 2 remainder 20 |
| 2 | 72 ÷ 20 = 3 remainder 12 |
| 3 | 20 ÷ 12 = 1 remainder 8 |
| 4 | 12 ÷ 8 = 1 remainder 4 |
| 5 | 8 ÷ 4 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 178 and 101 | 17978 |
| 49 and 161 | 1127 |
| 117 and 37 | 4329 |
| 167 and 144 | 24048 |
| 54 and 186 | 1674 |