Least Common Multiple (LCM) of 145 and 131
The least common multiple (LCM) of 145 and 131 is 18995.
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 145 and 131?
First, calculate the GCD of 145 and 131 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 145 ÷ 131 = 1 remainder 14 |
| 2 | 131 ÷ 14 = 9 remainder 5 |
| 3 | 14 ÷ 5 = 2 remainder 4 |
| 4 | 5 ÷ 4 = 1 remainder 1 |
| 5 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 118 and 118 | 118 |
| 120 and 88 | 1320 |
| 36 and 144 | 144 |
| 10 and 17 | 170 |
| 47 and 21 | 987 |