Least Common Multiple (LCM) of 55 and 154
The least common multiple (LCM) of 55 and 154 is 770.
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 55 and 154?
First, calculate the GCD of 55 and 154 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 55 ÷ 154 = 0 remainder 55 |
| 2 | 154 ÷ 55 = 2 remainder 44 |
| 3 | 55 ÷ 44 = 1 remainder 11 |
| 4 | 44 ÷ 11 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 163 and 57 | 9291 |
| 145 and 10 | 290 |
| 70 and 52 | 1820 |
| 134 and 137 | 18358 |
| 170 and 87 | 14790 |