
Least Common Multiple (LCM) of 42 and 184
The least common multiple (LCM) of 42 and 184 is 3864.
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 184?
First, calculate the GCD of 42 and 184 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
Step | Calculation |
---|---|
1 | 42 ÷ 184 = 0 remainder 42 |
2 | 184 ÷ 42 = 4 remainder 16 |
3 | 42 ÷ 16 = 2 remainder 10 |
4 | 16 ÷ 10 = 1 remainder 6 |
5 | 10 ÷ 6 = 1 remainder 4 |
6 | 6 ÷ 4 = 1 remainder 2 |
7 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
Numbers | LCM |
---|---|
161 and 99 | 15939 |
78 and 30 | 390 |
66 and 42 | 462 |
14 and 75 | 1050 |
156 and 12 | 156 |