Least Common Multiple (LCM) of 169 and 87
The least common multiple (LCM) of 169 and 87 is 14703.
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 169 and 87?
First, calculate the GCD of 169 and 87 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 169 ÷ 87 = 1 remainder 82 |
| 2 | 87 ÷ 82 = 1 remainder 5 |
| 3 | 82 ÷ 5 = 16 remainder 2 |
| 4 | 5 ÷ 2 = 2 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 39 and 110 | 4290 |
| 138 and 42 | 966 |
| 88 and 183 | 16104 |
| 80 and 158 | 6320 |
| 139 and 185 | 25715 |