Least Common Multiple (LCM) of 156 and 83
The least common multiple (LCM) of 156 and 83 is 12948.
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 83?
First, calculate the GCD of 156 and 83 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 156 ÷ 83 = 1 remainder 73 |
| 2 | 83 ÷ 73 = 1 remainder 10 |
| 3 | 73 ÷ 10 = 7 remainder 3 |
| 4 | 10 ÷ 3 = 3 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 40 and 90 | 360 |
| 195 and 78 | 390 |
| 57 and 96 | 1824 |
| 120 and 107 | 12840 |
| 133 and 174 | 23142 |