Least Common Multiple (LCM) of 153 and 126
The least common multiple (LCM) of 153 and 126 is 2142.
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 153 and 126?
First, calculate the GCD of 153 and 126 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 153 ÷ 126 = 1 remainder 27 |
| 2 | 126 ÷ 27 = 4 remainder 18 |
| 3 | 27 ÷ 18 = 1 remainder 9 |
| 4 | 18 ÷ 9 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 29 and 22 | 638 |
| 32 and 40 | 160 |
| 87 and 73 | 6351 |
| 158 and 11 | 1738 |
| 50 and 102 | 2550 |