Least Common Multiple (LCM) of 119 and 157
The least common multiple (LCM) of 119 and 157 is 18683.
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 119 and 157?
First, calculate the GCD of 119 and 157 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 119 ÷ 157 = 0 remainder 119 |
| 2 | 157 ÷ 119 = 1 remainder 38 |
| 3 | 119 ÷ 38 = 3 remainder 5 |
| 4 | 38 ÷ 5 = 7 remainder 3 |
| 5 | 5 ÷ 3 = 1 remainder 2 |
| 6 | 3 ÷ 2 = 1 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 21 and 42 | 42 |
| 80 and 153 | 12240 |
| 78 and 56 | 2184 |
| 113 and 86 | 9718 |
| 122 and 15 | 1830 |