Least Common Multiple (LCM) of 142 and 153
The least common multiple (LCM) of 142 and 153 is 21726.
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 142 and 153?
First, calculate the GCD of 142 and 153 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 142 ÷ 153 = 0 remainder 142 |
| 2 | 153 ÷ 142 = 1 remainder 11 |
| 3 | 142 ÷ 11 = 12 remainder 10 |
| 4 | 11 ÷ 10 = 1 remainder 1 |
| 5 | 10 ÷ 1 = 10 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 164 and 161 | 26404 |
| 85 and 45 | 765 |
| 95 and 112 | 10640 |
| 137 and 105 | 14385 |
| 195 and 37 | 7215 |