Least Common Multiple (LCM) of 73 and 170
The least common multiple (LCM) of 73 and 170 is 12410.
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 73 and 170?
First, calculate the GCD of 73 and 170 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 73 ÷ 170 = 0 remainder 73 |
| 2 | 170 ÷ 73 = 2 remainder 24 |
| 3 | 73 ÷ 24 = 3 remainder 1 |
| 4 | 24 ÷ 1 = 24 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 104 and 172 | 4472 |
| 42 and 21 | 42 |
| 45 and 185 | 1665 |
| 172 and 109 | 18748 |
| 88 and 97 | 8536 |