Least Common Multiple (LCM) of 155 and 156
The least common multiple (LCM) of 155 and 156 is 24180.
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 155 and 156?
First, calculate the GCD of 155 and 156 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 155 ÷ 156 = 0 remainder 155 |
| 2 | 156 ÷ 155 = 1 remainder 1 |
| 3 | 155 ÷ 1 = 155 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 103 and 77 | 7931 |
| 47 and 148 | 6956 |
| 55 and 105 | 1155 |
| 197 and 19 | 3743 |
| 114 and 190 | 570 |