Least Common Multiple (LCM) of 137 and 85
The least common multiple (LCM) of 137 and 85 is 11645.
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 137 and 85?
First, calculate the GCD of 137 and 85 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 137 ÷ 85 = 1 remainder 52 |
| 2 | 85 ÷ 52 = 1 remainder 33 |
| 3 | 52 ÷ 33 = 1 remainder 19 |
| 4 | 33 ÷ 19 = 1 remainder 14 |
| 5 | 19 ÷ 14 = 1 remainder 5 |
| 6 | 14 ÷ 5 = 2 remainder 4 |
| 7 | 5 ÷ 4 = 1 remainder 1 |
| 8 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 156 and 143 | 1716 |
| 188 and 47 | 188 |
| 176 and 13 | 2288 |
| 194 and 181 | 35114 |
| 14 and 188 | 1316 |