Least Common Multiple (LCM) of 172 and 113
The least common multiple (LCM) of 172 and 113 is 19436.
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 172 and 113?
First, calculate the GCD of 172 and 113 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 172 ÷ 113 = 1 remainder 59 |
| 2 | 113 ÷ 59 = 1 remainder 54 |
| 3 | 59 ÷ 54 = 1 remainder 5 |
| 4 | 54 ÷ 5 = 10 remainder 4 |
| 5 | 5 ÷ 4 = 1 remainder 1 |
| 6 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 165 and 120 | 1320 |
| 32 and 28 | 224 |
| 137 and 45 | 6165 |
| 104 and 126 | 6552 |
| 50 and 56 | 1400 |