Least Common Multiple (LCM) of 76 and 172
The least common multiple (LCM) of 76 and 172 is 3268.
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 172?
First, calculate the GCD of 76 and 172 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 76 ÷ 172 = 0 remainder 76 |
| 2 | 172 ÷ 76 = 2 remainder 20 |
| 3 | 76 ÷ 20 = 3 remainder 16 |
| 4 | 20 ÷ 16 = 1 remainder 4 |
| 5 | 16 ÷ 4 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 182 and 171 | 31122 |
| 76 and 91 | 6916 |
| 96 and 21 | 672 |
| 169 and 196 | 33124 |
| 72 and 167 | 12024 |