Least Common Multiple (LCM) of 154 and 161
The least common multiple (LCM) of 154 and 161 is 3542.
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 154 and 161?
First, calculate the GCD of 154 and 161 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 154 ÷ 161 = 0 remainder 154 |
| 2 | 161 ÷ 154 = 1 remainder 7 |
| 3 | 154 ÷ 7 = 22 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 175 and 124 | 21700 |
| 163 and 121 | 19723 |
| 58 and 156 | 4524 |
| 138 and 174 | 4002 |
| 55 and 53 | 2915 |