Least Common Multiple (LCM) of 42 and 94
The least common multiple (LCM) of 42 and 94 is 1974.
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 94?
First, calculate the GCD of 42 and 94 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 42 ÷ 94 = 0 remainder 42 |
| 2 | 94 ÷ 42 = 2 remainder 10 |
| 3 | 42 ÷ 10 = 4 remainder 2 |
| 4 | 10 ÷ 2 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 94 and 192 | 9024 |
| 178 and 45 | 8010 |
| 141 and 21 | 987 |
| 120 and 149 | 17880 |
| 140 and 72 | 2520 |