Least Common Multiple (LCM) of 170 and 25
The least common multiple (LCM) of 170 and 25 is 850.
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 170 and 25?
First, calculate the GCD of 170 and 25 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 170 ÷ 25 = 6 remainder 20 |
| 2 | 25 ÷ 20 = 1 remainder 5 |
| 3 | 20 ÷ 5 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 189 and 11 | 2079 |
| 75 and 79 | 5925 |
| 16 and 93 | 1488 |
| 152 and 12 | 456 |
| 40 and 128 | 640 |