
Least Common Multiple (LCM) of 138 and 106
The least common multiple (LCM) of 138 and 106 is 7314.
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 138 and 106?
First, calculate the GCD of 138 and 106 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
Step | Calculation |
---|---|
1 | 138 ÷ 106 = 1 remainder 32 |
2 | 106 ÷ 32 = 3 remainder 10 |
3 | 32 ÷ 10 = 3 remainder 2 |
4 | 10 ÷ 2 = 5 remainder 0 |
Examples of LCM Calculations
Numbers | LCM |
---|---|
13 and 63 | 819 |
132 and 106 | 6996 |
79 and 115 | 9085 |
155 and 79 | 12245 |
133 and 144 | 19152 |