Least Common Multiple (LCM) of 153 and 67
The least common multiple (LCM) of 153 and 67 is 10251.
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 67?
First, calculate the GCD of 153 and 67 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 153 ÷ 67 = 2 remainder 19 |
| 2 | 67 ÷ 19 = 3 remainder 10 |
| 3 | 19 ÷ 10 = 1 remainder 9 |
| 4 | 10 ÷ 9 = 1 remainder 1 |
| 5 | 9 ÷ 1 = 9 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 70 and 30 | 210 |
| 11 and 146 | 1606 |
| 122 and 154 | 9394 |
| 15 and 32 | 480 |
| 159 and 23 | 3657 |