
Least Common Multiple (LCM) of 63 and 126
The least common multiple (LCM) of 63 and 126 is 126.
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 126?
First, calculate the GCD of 63 and 126 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
Step | Calculation |
---|---|
1 | 63 ÷ 126 = 0 remainder 63 |
2 | 126 ÷ 63 = 2 remainder 0 |
Examples of LCM Calculations
Numbers | LCM |
---|---|
186 and 169 | 31434 |
99 and 159 | 5247 |
158 and 135 | 21330 |
91 and 134 | 12194 |
128 and 139 | 17792 |