Least Common Multiple (LCM) of 53 and 139
The least common multiple (LCM) of 53 and 139 is 7367.
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 53 and 139?
First, calculate the GCD of 53 and 139 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 53 ÷ 139 = 0 remainder 53 |
| 2 | 139 ÷ 53 = 2 remainder 33 |
| 3 | 53 ÷ 33 = 1 remainder 20 |
| 4 | 33 ÷ 20 = 1 remainder 13 |
| 5 | 20 ÷ 13 = 1 remainder 7 |
| 6 | 13 ÷ 7 = 1 remainder 6 |
| 7 | 7 ÷ 6 = 1 remainder 1 |
| 8 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 103 and 57 | 5871 |
| 43 and 119 | 5117 |
| 104 and 11 | 1144 |
| 53 and 74 | 3922 |
| 93 and 91 | 8463 |