Least Common Multiple (LCM) of 79 and 125
The least common multiple (LCM) of 79 and 125 is 9875.
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 125?
First, calculate the GCD of 79 and 125 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 79 ÷ 125 = 0 remainder 79 |
| 2 | 125 ÷ 79 = 1 remainder 46 |
| 3 | 79 ÷ 46 = 1 remainder 33 |
| 4 | 46 ÷ 33 = 1 remainder 13 |
| 5 | 33 ÷ 13 = 2 remainder 7 |
| 6 | 13 ÷ 7 = 1 remainder 6 |
| 7 | 7 ÷ 6 = 1 remainder 1 |
| 8 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 135 and 157 | 21195 |
| 69 and 104 | 7176 |
| 139 and 127 | 17653 |
| 121 and 154 | 1694 |
| 169 and 149 | 25181 |