Least Common Multiple (LCM) of 79 and 175
The least common multiple (LCM) of 79 and 175 is 13825.
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 175?
First, calculate the GCD of 79 and 175 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 79 ÷ 175 = 0 remainder 79 |
| 2 | 175 ÷ 79 = 2 remainder 17 |
| 3 | 79 ÷ 17 = 4 remainder 11 |
| 4 | 17 ÷ 11 = 1 remainder 6 |
| 5 | 11 ÷ 6 = 1 remainder 5 |
| 6 | 6 ÷ 5 = 1 remainder 1 |
| 7 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 110 and 179 | 19690 |
| 90 and 68 | 3060 |
| 132 and 36 | 396 |
| 31 and 91 | 2821 |
| 70 and 16 | 560 |