Least Common Multiple (LCM) of 172 and 29
The least common multiple (LCM) of 172 and 29 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 172 and 29?
First, calculate the GCD of 172 and 29 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 172 ÷ 29 = 5 remainder 27 |
| 2 | 29 ÷ 27 = 1 remainder 2 |
| 3 | 27 ÷ 2 = 13 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 138 and 115 | 690 |
| 23 and 179 | 4117 |
| 31 and 144 | 4464 |
| 24 and 198 | 792 |
| 196 and 37 | 7252 |