Least Common Multiple (LCM) of 115 and 101
The least common multiple (LCM) of 115 and 101 is 11615.
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 101?
First, calculate the GCD of 115 and 101 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 115 ÷ 101 = 1 remainder 14 |
| 2 | 101 ÷ 14 = 7 remainder 3 |
| 3 | 14 ÷ 3 = 4 remainder 2 |
| 4 | 3 ÷ 2 = 1 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 145 and 90 | 2610 |
| 158 and 22 | 1738 |
| 117 and 20 | 2340 |
| 128 and 99 | 12672 |
| 134 and 88 | 5896 |