Least Common Multiple (LCM) of 157 and 55
The least common multiple (LCM) of 157 and 55 is 8635.
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 55?
First, calculate the GCD of 157 and 55 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 157 ÷ 55 = 2 remainder 47 |
| 2 | 55 ÷ 47 = 1 remainder 8 |
| 3 | 47 ÷ 8 = 5 remainder 7 |
| 4 | 8 ÷ 7 = 1 remainder 1 |
| 5 | 7 ÷ 1 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 47 and 45 | 2115 |
| 187 and 44 | 748 |
| 44 and 120 | 1320 |
| 53 and 72 | 3816 |
| 15 and 199 | 2985 |