Least Common Multiple (LCM) of 25 and 167
The least common multiple (LCM) of 25 and 167 is 4175.
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 25 and 167?
First, calculate the GCD of 25 and 167 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 25 ÷ 167 = 0 remainder 25 |
| 2 | 167 ÷ 25 = 6 remainder 17 |
| 3 | 25 ÷ 17 = 1 remainder 8 |
| 4 | 17 ÷ 8 = 2 remainder 1 |
| 5 | 8 ÷ 1 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 138 and 115 | 690 |
| 42 and 57 | 798 |
| 57 and 131 | 7467 |
| 121 and 20 | 2420 |
| 177 and 133 | 23541 |