Least Common Multiple (LCM) of 145 and 49
The least common multiple (LCM) of 145 and 49 is 7105.
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 49?
First, calculate the GCD of 145 and 49 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 145 ÷ 49 = 2 remainder 47 |
| 2 | 49 ÷ 47 = 1 remainder 2 |
| 3 | 47 ÷ 2 = 23 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 176 and 112 | 1232 |
| 134 and 188 | 12596 |
| 99 and 65 | 6435 |
| 48 and 176 | 528 |
| 148 and 189 | 27972 |