Least Common Multiple (LCM) of 147 and 90
The least common multiple (LCM) of 147 and 90 is 4410.
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 147 and 90?
First, calculate the GCD of 147 and 90 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 147 ÷ 90 = 1 remainder 57 |
| 2 | 90 ÷ 57 = 1 remainder 33 |
| 3 | 57 ÷ 33 = 1 remainder 24 |
| 4 | 33 ÷ 24 = 1 remainder 9 |
| 5 | 24 ÷ 9 = 2 remainder 6 |
| 6 | 9 ÷ 6 = 1 remainder 3 |
| 7 | 6 ÷ 3 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 142 and 185 | 26270 |
| 104 and 142 | 7384 |
| 150 and 183 | 9150 |
| 55 and 157 | 8635 |
| 130 and 169 | 1690 |