Least Common Multiple (LCM) of 70 and 36
The least common multiple (LCM) of 70 and 36 is 1260.
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 36?
First, calculate the GCD of 70 and 36 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 70 ÷ 36 = 1 remainder 34 |
| 2 | 36 ÷ 34 = 1 remainder 2 |
| 3 | 34 ÷ 2 = 17 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 172 and 88 | 3784 |
| 164 and 69 | 11316 |
| 155 and 21 | 3255 |
| 196 and 98 | 196 |
| 107 and 142 | 15194 |