Least Common Multiple (LCM) of 185 and 172
The least common multiple (LCM) of 185 and 172 is 31820.
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 185 and 172?
First, calculate the GCD of 185 and 172 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 185 ÷ 172 = 1 remainder 13 |
| 2 | 172 ÷ 13 = 13 remainder 3 |
| 3 | 13 ÷ 3 = 4 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 145 and 84 | 12180 |
| 39 and 184 | 7176 |
| 199 and 176 | 35024 |
| 98 and 118 | 5782 |
| 164 and 181 | 29684 |