Least Common Multiple (LCM) of 51 and 100
The least common multiple (LCM) of 51 and 100 is 5100.
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 51 and 100?
First, calculate the GCD of 51 and 100 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 51 ÷ 100 = 0 remainder 51 |
| 2 | 100 ÷ 51 = 1 remainder 49 |
| 3 | 51 ÷ 49 = 1 remainder 2 |
| 4 | 49 ÷ 2 = 24 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 165 and 46 | 7590 |
| 99 and 165 | 495 |
| 23 and 81 | 1863 |
| 170 and 134 | 11390 |
| 153 and 46 | 7038 |