Least Common Multiple (LCM) of 100 and 91
The least common multiple (LCM) of 100 and 91 is 9100.
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 100 and 91?
First, calculate the GCD of 100 and 91 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 100 ÷ 91 = 1 remainder 9 |
| 2 | 91 ÷ 9 = 10 remainder 1 |
| 3 | 9 ÷ 1 = 9 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 138 and 183 | 8418 |
| 123 and 142 | 17466 |
| 189 and 106 | 20034 |
| 191 and 79 | 15089 |
| 87 and 198 | 5742 |