Least Common Multiple (LCM) of 61 and 150
The least common multiple (LCM) of 61 and 150 is 9150.
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 61 and 150?
First, calculate the GCD of 61 and 150 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 61 ÷ 150 = 0 remainder 61 |
| 2 | 150 ÷ 61 = 2 remainder 28 |
| 3 | 61 ÷ 28 = 2 remainder 5 |
| 4 | 28 ÷ 5 = 5 remainder 3 |
| 5 | 5 ÷ 3 = 1 remainder 2 |
| 6 | 3 ÷ 2 = 1 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 129 and 135 | 5805 |
| 144 and 98 | 7056 |
| 83 and 57 | 4731 |
| 90 and 51 | 1530 |
| 125 and 138 | 17250 |