
Least Common Multiple (LCM) of 30 and 64
The least common multiple (LCM) of 30 and 64 is 960.
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 30 and 64?
First, calculate the GCD of 30 and 64 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
Step | Calculation |
---|---|
1 | 30 ÷ 64 = 0 remainder 30 |
2 | 64 ÷ 30 = 2 remainder 4 |
3 | 30 ÷ 4 = 7 remainder 2 |
4 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
Numbers | LCM |
---|---|
162 and 198 | 1782 |
99 and 51 | 1683 |
32 and 84 | 672 |
161 and 152 | 24472 |
196 and 88 | 4312 |