Least Common Multiple (LCM) of 69 and 97
The least common multiple (LCM) of 69 and 97 is 6693.
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 97?
First, calculate the GCD of 69 and 97 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 69 ÷ 97 = 0 remainder 69 |
| 2 | 97 ÷ 69 = 1 remainder 28 |
| 3 | 69 ÷ 28 = 2 remainder 13 |
| 4 | 28 ÷ 13 = 2 remainder 2 |
| 5 | 13 ÷ 2 = 6 remainder 1 |
| 6 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 148 and 74 | 148 |
| 64 and 13 | 832 |
| 60 and 171 | 3420 |
| 180 and 42 | 1260 |
| 165 and 44 | 660 |