Least Common Multiple (LCM) of 79 and 124
The least common multiple (LCM) of 79 and 124 is 9796.
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 124?
First, calculate the GCD of 79 and 124 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 79 ÷ 124 = 0 remainder 79 |
| 2 | 124 ÷ 79 = 1 remainder 45 |
| 3 | 79 ÷ 45 = 1 remainder 34 |
| 4 | 45 ÷ 34 = 1 remainder 11 |
| 5 | 34 ÷ 11 = 3 remainder 1 |
| 6 | 11 ÷ 1 = 11 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 10 and 15 | 30 |
| 175 and 115 | 4025 |
| 19 and 17 | 323 |
| 116 and 109 | 12644 |
| 170 and 137 | 23290 |