Least Common Multiple (LCM) of 162 and 70
The least common multiple (LCM) of 162 and 70 is 5670.
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 162 and 70?
First, calculate the GCD of 162 and 70 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 162 ÷ 70 = 2 remainder 22 |
| 2 | 70 ÷ 22 = 3 remainder 4 |
| 3 | 22 ÷ 4 = 5 remainder 2 |
| 4 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 182 and 131 | 23842 |
| 79 and 132 | 10428 |
| 87 and 17 | 1479 |
| 61 and 191 | 11651 |
| 189 and 89 | 16821 |