Least Common Multiple (LCM) of 158 and 161
The least common multiple (LCM) of 158 and 161 is 25438.
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 158 and 161?
First, calculate the GCD of 158 and 161 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 158 ÷ 161 = 0 remainder 158 |
| 2 | 161 ÷ 158 = 1 remainder 3 |
| 3 | 158 ÷ 3 = 52 remainder 2 |
| 4 | 3 ÷ 2 = 1 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 152 and 140 | 5320 |
| 177 and 115 | 20355 |
| 34 and 37 | 1258 |
| 70 and 154 | 770 |
| 64 and 135 | 8640 |