Least Common Multiple (LCM) of 145 and 47
The least common multiple (LCM) of 145 and 47 is 6815.
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 47?
First, calculate the GCD of 145 and 47 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 145 ÷ 47 = 3 remainder 4 |
| 2 | 47 ÷ 4 = 11 remainder 3 |
| 3 | 4 ÷ 3 = 1 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 190 and 122 | 11590 |
| 160 and 117 | 18720 |
| 125 and 140 | 3500 |
| 132 and 84 | 924 |
| 153 and 77 | 11781 |