Least Common Multiple (LCM) of 102 and 70
The least common multiple (LCM) of 102 and 70 is 3570.
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 102 and 70?
First, calculate the GCD of 102 and 70 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 102 ÷ 70 = 1 remainder 32 |
| 2 | 70 ÷ 32 = 2 remainder 6 |
| 3 | 32 ÷ 6 = 5 remainder 2 |
| 4 | 6 ÷ 2 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 159 and 175 | 27825 |
| 177 and 101 | 17877 |
| 131 and 154 | 20174 |
| 31 and 42 | 1302 |
| 41 and 43 | 1763 |