Least Common Multiple (LCM) of 64 and 155
The least common multiple (LCM) of 64 and 155 is 9920.
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 64 and 155?
First, calculate the GCD of 64 and 155 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 64 ÷ 155 = 0 remainder 64 |
| 2 | 155 ÷ 64 = 2 remainder 27 |
| 3 | 64 ÷ 27 = 2 remainder 10 |
| 4 | 27 ÷ 10 = 2 remainder 7 |
| 5 | 10 ÷ 7 = 1 remainder 3 |
| 6 | 7 ÷ 3 = 2 remainder 1 |
| 7 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 126 and 35 | 630 |
| 42 and 126 | 126 |
| 101 and 98 | 9898 |
| 98 and 74 | 3626 |
| 153 and 105 | 5355 |