Least Common Multiple (LCM) of 91 and 73
The least common multiple (LCM) of 91 and 73 is 6643.
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 73?
First, calculate the GCD of 91 and 73 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 91 ÷ 73 = 1 remainder 18 |
| 2 | 73 ÷ 18 = 4 remainder 1 |
| 3 | 18 ÷ 1 = 18 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 138 and 156 | 3588 |
| 101 and 162 | 16362 |
| 92 and 136 | 3128 |
| 54 and 138 | 1242 |
| 171 and 80 | 13680 |