Least Common Multiple (LCM) of 172 and 91
The least common multiple (LCM) of 172 and 91 is 15652.
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 91?
First, calculate the GCD of 172 and 91 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 172 ÷ 91 = 1 remainder 81 |
| 2 | 91 ÷ 81 = 1 remainder 10 |
| 3 | 81 ÷ 10 = 8 remainder 1 |
| 4 | 10 ÷ 1 = 10 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 194 and 87 | 16878 |
| 163 and 45 | 7335 |
| 183 and 140 | 25620 |
| 89 and 65 | 5785 |
| 71 and 139 | 9869 |