Least Common Multiple (LCM) of 153 and 26
The least common multiple (LCM) of 153 and 26 is 3978.
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 26?
First, calculate the GCD of 153 and 26 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 153 ÷ 26 = 5 remainder 23 |
| 2 | 26 ÷ 23 = 1 remainder 3 |
| 3 | 23 ÷ 3 = 7 remainder 2 |
| 4 | 3 ÷ 2 = 1 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 90 and 170 | 1530 |
| 158 and 74 | 5846 |
| 94 and 42 | 1974 |
| 102 and 17 | 102 |
| 120 and 73 | 8760 |