Least Common Multiple (LCM) of 157 and 143
The least common multiple (LCM) of 157 and 143 is 22451.
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 143?
First, calculate the GCD of 157 and 143 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 157 ÷ 143 = 1 remainder 14 |
| 2 | 143 ÷ 14 = 10 remainder 3 |
| 3 | 14 ÷ 3 = 4 remainder 2 |
| 4 | 3 ÷ 2 = 1 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 125 and 173 | 21625 |
| 123 and 116 | 14268 |
| 80 and 20 | 80 |
| 70 and 109 | 7630 |
| 93 and 102 | 3162 |