Least Common Multiple (LCM) of 70 and 32
The least common multiple (LCM) of 70 and 32 is 1120.
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 70 and 32?
First, calculate the GCD of 70 and 32 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 70 ÷ 32 = 2 remainder 6 |
| 2 | 32 ÷ 6 = 5 remainder 2 |
| 3 | 6 ÷ 2 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 136 and 106 | 7208 |
| 117 and 186 | 7254 |
| 138 and 120 | 2760 |
| 81 and 149 | 12069 |
| 71 and 91 | 6461 |