Least Common Multiple (LCM) of 70 and 95
The least common multiple (LCM) of 70 and 95 is 1330.
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 95?
First, calculate the GCD of 70 and 95 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 70 ÷ 95 = 0 remainder 70 |
| 2 | 95 ÷ 70 = 1 remainder 25 |
| 3 | 70 ÷ 25 = 2 remainder 20 |
| 4 | 25 ÷ 20 = 1 remainder 5 |
| 5 | 20 ÷ 5 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 21 and 105 | 105 |
| 177 and 196 | 34692 |
| 29 and 27 | 783 |
| 129 and 25 | 3225 |
| 111 and 157 | 17427 |