Least Common Multiple (LCM) of 51 and 137
The least common multiple (LCM) of 51 and 137 is 6987.
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 137?
First, calculate the GCD of 51 and 137 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 51 ÷ 137 = 0 remainder 51 |
| 2 | 137 ÷ 51 = 2 remainder 35 |
| 3 | 51 ÷ 35 = 1 remainder 16 |
| 4 | 35 ÷ 16 = 2 remainder 3 |
| 5 | 16 ÷ 3 = 5 remainder 1 |
| 6 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 50 and 55 | 550 |
| 120 and 108 | 1080 |
| 32 and 82 | 1312 |
| 44 and 171 | 7524 |
| 190 and 142 | 13490 |