Least Common Multiple (LCM) of 157 and 97
The least common multiple (LCM) of 157 and 97 is 15229.
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 97?
First, calculate the GCD of 157 and 97 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 157 ÷ 97 = 1 remainder 60 |
| 2 | 97 ÷ 60 = 1 remainder 37 |
| 3 | 60 ÷ 37 = 1 remainder 23 |
| 4 | 37 ÷ 23 = 1 remainder 14 |
| 5 | 23 ÷ 14 = 1 remainder 9 |
| 6 | 14 ÷ 9 = 1 remainder 5 |
| 7 | 9 ÷ 5 = 1 remainder 4 |
| 8 | 5 ÷ 4 = 1 remainder 1 |
| 9 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 80 and 71 | 5680 |
| 46 and 31 | 1426 |
| 109 and 109 | 109 |
| 118 and 156 | 9204 |
| 118 and 61 | 7198 |