Least Common Multiple (LCM) of 129 and 57
The least common multiple (LCM) of 129 and 57 is 2451.
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 129 and 57?
First, calculate the GCD of 129 and 57 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 129 ÷ 57 = 2 remainder 15 |
| 2 | 57 ÷ 15 = 3 remainder 12 |
| 3 | 15 ÷ 12 = 1 remainder 3 |
| 4 | 12 ÷ 3 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 155 and 75 | 2325 |
| 96 and 101 | 9696 |
| 47 and 160 | 7520 |
| 132 and 21 | 924 |
| 26 and 85 | 2210 |