Least Common Multiple (LCM) of 25 and 124
The least common multiple (LCM) of 25 and 124 is 3100.
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 25 and 124?
First, calculate the GCD of 25 and 124 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 25 ÷ 124 = 0 remainder 25 |
| 2 | 124 ÷ 25 = 4 remainder 24 |
| 3 | 25 ÷ 24 = 1 remainder 1 |
| 4 | 24 ÷ 1 = 24 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 171 and 136 | 23256 |
| 128 and 39 | 4992 |
| 54 and 21 | 378 |
| 105 and 156 | 5460 |
| 195 and 131 | 25545 |