Least Common Multiple (LCM) of 145 and 155
The least common multiple (LCM) of 145 and 155 is 4495.
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 145 and 155?
First, calculate the GCD of 145 and 155 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 145 ÷ 155 = 0 remainder 145 |
| 2 | 155 ÷ 145 = 1 remainder 10 |
| 3 | 145 ÷ 10 = 14 remainder 5 |
| 4 | 10 ÷ 5 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 30 and 32 | 480 |
| 166 and 180 | 14940 |
| 178 and 16 | 1424 |
| 107 and 15 | 1605 |
| 64 and 189 | 12096 |