
Least Common Multiple (LCM) of 140 and 109
The least common multiple (LCM) of 140 and 109 is 15260.
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 140 and 109?
First, calculate the GCD of 140 and 109 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
Step | Calculation |
---|---|
1 | 140 ÷ 109 = 1 remainder 31 |
2 | 109 ÷ 31 = 3 remainder 16 |
3 | 31 ÷ 16 = 1 remainder 15 |
4 | 16 ÷ 15 = 1 remainder 1 |
5 | 15 ÷ 1 = 15 remainder 0 |
Examples of LCM Calculations
Numbers | LCM |
---|---|
169 and 66 | 11154 |
171 and 133 | 1197 |
82 and 110 | 4510 |
85 and 127 | 10795 |
119 and 54 | 6426 |