Least Common Multiple (LCM) of 91 and 126
The least common multiple (LCM) of 91 and 126 is 1638.
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 126?
First, calculate the GCD of 91 and 126 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 91 ÷ 126 = 0 remainder 91 |
| 2 | 126 ÷ 91 = 1 remainder 35 |
| 3 | 91 ÷ 35 = 2 remainder 21 |
| 4 | 35 ÷ 21 = 1 remainder 14 |
| 5 | 21 ÷ 14 = 1 remainder 7 |
| 6 | 14 ÷ 7 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 189 and 186 | 11718 |
| 89 and 110 | 9790 |
| 41 and 45 | 1845 |
| 118 and 91 | 10738 |
| 152 and 174 | 13224 |