Least Common Multiple (LCM) of 161 and 157
The least common multiple (LCM) of 161 and 157 is 25277.
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 161 and 157?
First, calculate the GCD of 161 and 157 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 161 ÷ 157 = 1 remainder 4 |
| 2 | 157 ÷ 4 = 39 remainder 1 |
| 3 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 142 and 90 | 6390 |
| 118 and 124 | 7316 |
| 114 and 76 | 228 |
| 89 and 105 | 9345 |
| 138 and 71 | 9798 |