Least Common Multiple (LCM) of 170 and 126
The least common multiple (LCM) of 170 and 126 is 10710.
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 170 and 126?
First, calculate the GCD of 170 and 126 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 170 ÷ 126 = 1 remainder 44 |
| 2 | 126 ÷ 44 = 2 remainder 38 |
| 3 | 44 ÷ 38 = 1 remainder 6 |
| 4 | 38 ÷ 6 = 6 remainder 2 |
| 5 | 6 ÷ 2 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 35 and 72 | 2520 |
| 168 and 132 | 1848 |
| 68 and 154 | 5236 |
| 152 and 63 | 9576 |
| 40 and 76 | 760 |