Least Common Multiple (LCM) of 153 and 141
The least common multiple (LCM) of 153 and 141 is 7191.
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 153 and 141?
First, calculate the GCD of 153 and 141 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 153 ÷ 141 = 1 remainder 12 |
| 2 | 141 ÷ 12 = 11 remainder 9 |
| 3 | 12 ÷ 9 = 1 remainder 3 |
| 4 | 9 ÷ 3 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 72 and 114 | 1368 |
| 199 and 161 | 32039 |
| 189 and 42 | 378 |
| 97 and 63 | 6111 |
| 128 and 43 | 5504 |