Least Common Multiple (LCM) of 156 and 173
The least common multiple (LCM) of 156 and 173 is 26988.
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 173?
First, calculate the GCD of 156 and 173 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 156 ÷ 173 = 0 remainder 156 |
| 2 | 173 ÷ 156 = 1 remainder 17 |
| 3 | 156 ÷ 17 = 9 remainder 3 |
| 4 | 17 ÷ 3 = 5 remainder 2 |
| 5 | 3 ÷ 2 = 1 remainder 1 |
| 6 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 28 and 193 | 5404 |
| 101 and 161 | 16261 |
| 132 and 136 | 4488 |
| 128 and 112 | 896 |
| 99 and 115 | 11385 |