Least Common Multiple (LCM) of 149 and 172
The least common multiple (LCM) of 149 and 172 is 25628.
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 149 and 172?
First, calculate the GCD of 149 and 172 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 149 ÷ 172 = 0 remainder 149 |
| 2 | 172 ÷ 149 = 1 remainder 23 |
| 3 | 149 ÷ 23 = 6 remainder 11 |
| 4 | 23 ÷ 11 = 2 remainder 1 |
| 5 | 11 ÷ 1 = 11 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 117 and 119 | 13923 |
| 115 and 166 | 19090 |
| 179 and 86 | 15394 |
| 161 and 182 | 4186 |
| 181 and 169 | 30589 |