Least Common Multiple (LCM) of 79 and 93
The least common multiple (LCM) of 79 and 93 is 7347.
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 93?
First, calculate the GCD of 79 and 93 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 79 ÷ 93 = 0 remainder 79 |
| 2 | 93 ÷ 79 = 1 remainder 14 |
| 3 | 79 ÷ 14 = 5 remainder 9 |
| 4 | 14 ÷ 9 = 1 remainder 5 |
| 5 | 9 ÷ 5 = 1 remainder 4 |
| 6 | 5 ÷ 4 = 1 remainder 1 |
| 7 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 55 and 127 | 6985 |
| 100 and 129 | 12900 |
| 127 and 123 | 15621 |
| 103 and 149 | 15347 |
| 128 and 109 | 13952 |