Least Common Multiple (LCM) of 51 and 151
The least common multiple (LCM) of 51 and 151 is 7701.
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 151?
First, calculate the GCD of 51 and 151 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 51 ÷ 151 = 0 remainder 51 |
| 2 | 151 ÷ 51 = 2 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 |
|---|---|
| 180 and 157 | 28260 |
| 77 and 197 | 15169 |
| 40 and 84 | 840 |
| 159 and 164 | 26076 |
| 133 and 186 | 24738 |