Least Common Multiple (LCM) of 69 and 174
The least common multiple (LCM) of 69 and 174 is 4002.
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 174?
First, calculate the GCD of 69 and 174 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 69 ÷ 174 = 0 remainder 69 |
| 2 | 174 ÷ 69 = 2 remainder 36 |
| 3 | 69 ÷ 36 = 1 remainder 33 |
| 4 | 36 ÷ 33 = 1 remainder 3 |
| 5 | 33 ÷ 3 = 11 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 123 and 120 | 4920 |
| 55 and 117 | 6435 |
| 142 and 15 | 2130 |
| 112 and 183 | 20496 |
| 18 and 126 | 126 |