Least Common Multiple (LCM) of 69 and 100
The least common multiple (LCM) of 69 and 100 is 6900.
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 69 and 100?
First, calculate the GCD of 69 and 100 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 69 ÷ 100 = 0 remainder 69 |
| 2 | 100 ÷ 69 = 1 remainder 31 |
| 3 | 69 ÷ 31 = 2 remainder 7 |
| 4 | 31 ÷ 7 = 4 remainder 3 |
| 5 | 7 ÷ 3 = 2 remainder 1 |
| 6 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 143 and 99 | 1287 |
| 40 and 147 | 5880 |
| 11 and 69 | 759 |
| 170 and 146 | 12410 |
| 69 and 150 | 3450 |