Least Common Multiple (LCM) of 155 and 160
The least common multiple (LCM) of 155 and 160 is 4960.
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 160?
First, calculate the GCD of 155 and 160 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 155 ÷ 160 = 0 remainder 155 |
| 2 | 160 ÷ 155 = 1 remainder 5 |
| 3 | 155 ÷ 5 = 31 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 156 and 22 | 1716 |
| 65 and 140 | 1820 |
| 177 and 112 | 19824 |
| 115 and 153 | 17595 |
| 133 and 90 | 11970 |