Least Common Multiple (LCM) of 97 and 130
The least common multiple (LCM) of 97 and 130 is 12610.
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 97 and 130?
First, calculate the GCD of 97 and 130 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 97 ÷ 130 = 0 remainder 97 |
| 2 | 130 ÷ 97 = 1 remainder 33 |
| 3 | 97 ÷ 33 = 2 remainder 31 |
| 4 | 33 ÷ 31 = 1 remainder 2 |
| 5 | 31 ÷ 2 = 15 remainder 1 |
| 6 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 66 and 81 | 1782 |
| 134 and 117 | 15678 |
| 38 and 74 | 1406 |
| 173 and 199 | 34427 |
| 98 and 73 | 7154 |