Least Common Multiple (LCM) of 145 and 40
The least common multiple (LCM) of 145 and 40 is 1160.
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 40?
First, calculate the GCD of 145 and 40 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 145 ÷ 40 = 3 remainder 25 |
| 2 | 40 ÷ 25 = 1 remainder 15 |
| 3 | 25 ÷ 15 = 1 remainder 10 |
| 4 | 15 ÷ 10 = 1 remainder 5 |
| 5 | 10 ÷ 5 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 134 and 121 | 16214 |
| 154 and 98 | 1078 |
| 32 and 164 | 1312 |
| 56 and 152 | 1064 |
| 125 and 109 | 13625 |