Least Common Multiple (LCM) of 91 and 162
The least common multiple (LCM) of 91 and 162 is 14742.
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 91 and 162?
First, calculate the GCD of 91 and 162 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 91 ÷ 162 = 0 remainder 91 |
| 2 | 162 ÷ 91 = 1 remainder 71 |
| 3 | 91 ÷ 71 = 1 remainder 20 |
| 4 | 71 ÷ 20 = 3 remainder 11 |
| 5 | 20 ÷ 11 = 1 remainder 9 |
| 6 | 11 ÷ 9 = 1 remainder 2 |
| 7 | 9 ÷ 2 = 4 remainder 1 |
| 8 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 178 and 76 | 6764 |
| 65 and 17 | 1105 |
| 117 and 95 | 11115 |
| 64 and 32 | 64 |
| 73 and 81 | 5913 |