Least Common Multiple (LCM) of 39 and 169
The least common multiple (LCM) of 39 and 169 is 507.
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 39 and 169?
First, calculate the GCD of 39 and 169 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 39 ÷ 169 = 0 remainder 39 |
| 2 | 169 ÷ 39 = 4 remainder 13 |
| 3 | 39 ÷ 13 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 136 and 13 | 1768 |
| 168 and 43 | 7224 |
| 16 and 130 | 1040 |
| 121 and 170 | 20570 |
| 150 and 51 | 2550 |