Least Common Multiple (LCM) of 42 and 136
The least common multiple (LCM) of 42 and 136 is 2856.
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 42 and 136?
First, calculate the GCD of 42 and 136 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 42 ÷ 136 = 0 remainder 42 |
| 2 | 136 ÷ 42 = 3 remainder 10 |
| 3 | 42 ÷ 10 = 4 remainder 2 |
| 4 | 10 ÷ 2 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 119 and 96 | 11424 |
| 155 and 111 | 17205 |
| 15 and 176 | 2640 |
| 130 and 40 | 520 |
| 164 and 133 | 21812 |