Least Common Multiple (LCM) of 79 and 131
The least common multiple (LCM) of 79 and 131 is 10349.
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 79 and 131?
First, calculate the GCD of 79 and 131 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 79 ÷ 131 = 0 remainder 79 |
| 2 | 131 ÷ 79 = 1 remainder 52 |
| 3 | 79 ÷ 52 = 1 remainder 27 |
| 4 | 52 ÷ 27 = 1 remainder 25 |
| 5 | 27 ÷ 25 = 1 remainder 2 |
| 6 | 25 ÷ 2 = 12 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 98 and 72 | 3528 |
| 142 and 76 | 5396 |
| 126 and 186 | 3906 |
| 160 and 95 | 3040 |
| 46 and 101 | 4646 |