Least Common Multiple (LCM) of 63 and 49
The least common multiple (LCM) of 63 and 49 is 441.
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 63 and 49?
First, calculate the GCD of 63 and 49 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 63 ÷ 49 = 1 remainder 14 |
| 2 | 49 ÷ 14 = 3 remainder 7 |
| 3 | 14 ÷ 7 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 15 and 166 | 2490 |
| 128 and 91 | 11648 |
| 152 and 65 | 9880 |
| 34 and 65 | 2210 |
| 119 and 147 | 2499 |