Least Common Multiple (LCM) of 122 and 70
The least common multiple (LCM) of 122 and 70 is 4270.
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 122 and 70?
First, calculate the GCD of 122 and 70 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 122 ÷ 70 = 1 remainder 52 |
| 2 | 70 ÷ 52 = 1 remainder 18 |
| 3 | 52 ÷ 18 = 2 remainder 16 |
| 4 | 18 ÷ 16 = 1 remainder 2 |
| 5 | 16 ÷ 2 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 22 and 83 | 1826 |
| 60 and 158 | 4740 |
| 56 and 33 | 1848 |
| 83 and 186 | 15438 |
| 149 and 117 | 17433 |