Least Common Multiple (LCM) of 13 and 141
The least common multiple (LCM) of 13 and 141 is 1833.
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 13 and 141?
First, calculate the GCD of 13 and 141 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 13 ÷ 141 = 0 remainder 13 |
| 2 | 141 ÷ 13 = 10 remainder 11 |
| 3 | 13 ÷ 11 = 1 remainder 2 |
| 4 | 11 ÷ 2 = 5 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 64 and 153 | 9792 |
| 13 and 130 | 130 |
| 161 and 176 | 28336 |
| 62 and 81 | 5022 |
| 171 and 187 | 31977 |