Least Common Multiple (LCM) of 145 and 160
The least common multiple (LCM) of 145 and 160 is 4640.
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 160?
First, calculate the GCD of 145 and 160 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 145 ÷ 160 = 0 remainder 145 |
| 2 | 160 ÷ 145 = 1 remainder 15 |
| 3 | 145 ÷ 15 = 9 remainder 10 |
| 4 | 15 ÷ 10 = 1 remainder 5 |
| 5 | 10 ÷ 5 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 129 and 79 | 10191 |
| 72 and 31 | 2232 |
| 197 and 172 | 33884 |
| 140 and 97 | 13580 |
| 143 and 66 | 858 |