
Least Common Multiple (LCM) of 117 and 39
The least common multiple (LCM) of 117 and 39 is 117.
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 117 and 39?
First, calculate the GCD of 117 and 39 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
Step | Calculation |
---|---|
1 | 117 ÷ 39 = 3 remainder 0 |
Examples of LCM Calculations
Numbers | LCM |
---|---|
189 and 80 | 15120 |
66 and 189 | 4158 |
43 and 99 | 4257 |
16 and 149 | 2384 |
100 and 13 | 1300 |