Least Common Multiple (LCM) of 140 and 52
The least common multiple (LCM) of 140 and 52 is 1820.
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 140 and 52?
First, calculate the GCD of 140 and 52 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 140 ÷ 52 = 2 remainder 36 |
| 2 | 52 ÷ 36 = 1 remainder 16 |
| 3 | 36 ÷ 16 = 2 remainder 4 |
| 4 | 16 ÷ 4 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 140 and 16 | 560 |
| 21 and 63 | 63 |
| 111 and 11 | 1221 |
| 151 and 178 | 26878 |
| 57 and 30 | 570 |