Least Common Multiple (LCM) of 79 and 105
The least common multiple (LCM) of 79 and 105 is 8295.
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 105?
First, calculate the GCD of 79 and 105 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 79 ÷ 105 = 0 remainder 79 |
| 2 | 105 ÷ 79 = 1 remainder 26 |
| 3 | 79 ÷ 26 = 3 remainder 1 |
| 4 | 26 ÷ 1 = 26 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 170 and 78 | 6630 |
| 171 and 106 | 18126 |
| 152 and 37 | 5624 |
| 47 and 90 | 4230 |
| 107 and 187 | 20009 |