Least Common Multiple (LCM) of 53 and 147
The least common multiple (LCM) of 53 and 147 is 7791.
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 147?
First, calculate the GCD of 53 and 147 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 53 ÷ 147 = 0 remainder 53 |
| 2 | 147 ÷ 53 = 2 remainder 41 |
| 3 | 53 ÷ 41 = 1 remainder 12 |
| 4 | 41 ÷ 12 = 3 remainder 5 |
| 5 | 12 ÷ 5 = 2 remainder 2 |
| 6 | 5 ÷ 2 = 2 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 166 and 140 | 11620 |
| 60 and 38 | 1140 |
| 138 and 168 | 3864 |
| 17 and 87 | 1479 |
| 171 and 27 | 513 |