Least Common Multiple (LCM) of 155 and 12
The least common multiple (LCM) of 155 and 12 is 1860.
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 12?
First, calculate the GCD of 155 and 12 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 155 ÷ 12 = 12 remainder 11 |
| 2 | 12 ÷ 11 = 1 remainder 1 |
| 3 | 11 ÷ 1 = 11 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 74 and 61 | 4514 |
| 91 and 56 | 728 |
| 168 and 58 | 4872 |
| 170 and 123 | 20910 |
| 59 and 174 | 10266 |