Least Common Multiple (LCM) of 29 and 172
The least common multiple (LCM) of 29 and 172 is 4988.
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 29 and 172?
First, calculate the GCD of 29 and 172 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 29 ÷ 172 = 0 remainder 29 |
| 2 | 172 ÷ 29 = 5 remainder 27 |
| 3 | 29 ÷ 27 = 1 remainder 2 |
| 4 | 27 ÷ 2 = 13 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 195 and 42 | 2730 |
| 101 and 72 | 7272 |
| 109 and 62 | 6758 |
| 33 and 184 | 6072 |
| 105 and 137 | 14385 |