Least Common Multiple (LCM) of 153 and 172
The least common multiple (LCM) of 153 and 172 is 26316.
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 153 and 172?
First, calculate the GCD of 153 and 172 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 153 ÷ 172 = 0 remainder 153 |
| 2 | 172 ÷ 153 = 1 remainder 19 |
| 3 | 153 ÷ 19 = 8 remainder 1 |
| 4 | 19 ÷ 1 = 19 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 90 and 29 | 2610 |
| 78 and 105 | 2730 |
| 28 and 59 | 1652 |
| 87 and 85 | 7395 |
| 179 and 57 | 10203 |