Least Common Multiple (LCM) of 89 and 157
The least common multiple (LCM) of 89 and 157 is 13973.
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 89 and 157?
First, calculate the GCD of 89 and 157 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 89 ÷ 157 = 0 remainder 89 |
| 2 | 157 ÷ 89 = 1 remainder 68 |
| 3 | 89 ÷ 68 = 1 remainder 21 |
| 4 | 68 ÷ 21 = 3 remainder 5 |
| 5 | 21 ÷ 5 = 4 remainder 1 |
| 6 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 136 and 138 | 9384 |
| 162 and 11 | 1782 |
| 119 and 49 | 833 |
| 192 and 66 | 2112 |
| 87 and 88 | 7656 |