Least Common Multiple (LCM) of 115 and 141
The least common multiple (LCM) of 115 and 141 is 16215.
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 115 and 141?
First, calculate the GCD of 115 and 141 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 115 ÷ 141 = 0 remainder 115 |
| 2 | 141 ÷ 115 = 1 remainder 26 |
| 3 | 115 ÷ 26 = 4 remainder 11 |
| 4 | 26 ÷ 11 = 2 remainder 4 |
| 5 | 11 ÷ 4 = 2 remainder 3 |
| 6 | 4 ÷ 3 = 1 remainder 1 |
| 7 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 169 and 124 | 20956 |
| 43 and 53 | 2279 |
| 30 and 103 | 3090 |
| 22 and 161 | 3542 |
| 125 and 110 | 2750 |