Least Common Multiple (LCM) of 172 and 25
The least common multiple (LCM) of 172 and 25 is 4300.
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 172 and 25?
First, calculate the GCD of 172 and 25 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 172 ÷ 25 = 6 remainder 22 |
| 2 | 25 ÷ 22 = 1 remainder 3 |
| 3 | 22 ÷ 3 = 7 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 179 and 161 | 28819 |
| 59 and 103 | 6077 |
| 71 and 121 | 8591 |
| 160 and 108 | 4320 |
| 15 and 191 | 2865 |