Least Common Multiple (LCM) of 178 and 169
The least common multiple (LCM) of 178 and 169 is 30082.
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 178 and 169?
First, calculate the GCD of 178 and 169 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 178 ÷ 169 = 1 remainder 9 |
| 2 | 169 ÷ 9 = 18 remainder 7 |
| 3 | 9 ÷ 7 = 1 remainder 2 |
| 4 | 7 ÷ 2 = 3 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 104 and 152 | 1976 |
| 87 and 126 | 3654 |
| 80 and 198 | 7920 |
| 71 and 119 | 8449 |
| 41 and 129 | 5289 |