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LCM of 4 and 8
What is the LCM of 4 and 8? - The LCM of 4 and 8 is 8.
Follow the step by step instructions on how to find the least common multiple of 4 and 8.
What is the least common multiple of 4 and 8?
How to find the lcm of 4 and 8?
Method 1 - Listing Multiples
To find the lcm of 4 and 8, we first need to find the multiples of 4 and 8 and then choose the least common multiple that are dividable by 4 and 8.
Multiples of 4 = 4, 8
Multiples of 8 = 8
The least common multiple of 4 and 8 is 8, because 8 is the smallest number that is divisible by both 4 and 8.
Method 2 - Prime Factorization
Another method to find the least common multiple of 4 and 8 is by using the prime factorization method.
To use prime factorization, we first need to find the prime factors of 4 and 8, and then get the LCM by multiplying the prime factors that are rasied to their highest power from the two sets.
Prime factorization of 4 = 2 x 2 = 22
Prime factorization of 8 = 2 x 2 x 2 = 23
Prime factors to the highest power = 23 = 8
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