Least Common Multiple (LCM) of 42 and 41
The least common multiple (LCM) of 42 and 41 is 1722.
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 41?
First, calculate the GCD of 42 and 41 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 42 ÷ 41 = 1 remainder 1 |
| 2 | 41 ÷ 1 = 41 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 112 and 113 | 12656 |
| 170 and 105 | 3570 |
| 115 and 178 | 20470 |
| 129 and 156 | 6708 |
| 148 and 70 | 5180 |