Least Common Multiple (LCM) of 157 and 161
The least common multiple (LCM) of 157 and 161 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 157 and 161?
First, calculate the GCD of 157 and 161 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 157 ÷ 161 = 0 remainder 157 |
| 2 | 161 ÷ 157 = 1 remainder 4 |
| 3 | 157 ÷ 4 = 39 remainder 1 |
| 4 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 163 and 70 | 11410 |
| 157 and 194 | 30458 |
| 181 and 30 | 5430 |
| 170 and 160 | 2720 |
| 185 and 115 | 4255 |