Least Common Multiple (LCM) of 88 and 155
The least common multiple (LCM) of 88 and 155 is 13640.
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 88 and 155?
First, calculate the GCD of 88 and 155 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 88 ÷ 155 = 0 remainder 88 |
| 2 | 155 ÷ 88 = 1 remainder 67 |
| 3 | 88 ÷ 67 = 1 remainder 21 |
| 4 | 67 ÷ 21 = 3 remainder 4 |
| 5 | 21 ÷ 4 = 5 remainder 1 |
| 6 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 165 and 38 | 6270 |
| 131 and 19 | 2489 |
| 115 and 13 | 1495 |
| 200 and 170 | 3400 |
| 20 and 30 | 60 |