Least Common Multiple (LCM) of 156 and 103
The least common multiple (LCM) of 156 and 103 is 16068.
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 156 and 103?
First, calculate the GCD of 156 and 103 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 156 ÷ 103 = 1 remainder 53 |
| 2 | 103 ÷ 53 = 1 remainder 50 |
| 3 | 53 ÷ 50 = 1 remainder 3 |
| 4 | 50 ÷ 3 = 16 remainder 2 |
| 5 | 3 ÷ 2 = 1 remainder 1 |
| 6 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 80 and 64 | 320 |
| 15 and 140 | 420 |
| 47 and 18 | 846 |
| 68 and 50 | 1700 |
| 115 and 183 | 21045 |