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21 votes
How do you calculate the LCM for 128 and 256​

2 Answers

9 votes

Answer:

256

Explanation:

1- Find the prime factorization of 128

128 = 2 × 2 × 2 × 2 × 2 × 2 × 2

2- Find the prime factorization of 256

256 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2

3- Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2

4- LCM = 256

User Octet
by
4.5k points
1 vote

Answer:

I think its 256

Explanation:

The LCM of 128 and 256 is 256. Steps to find LCM. Find the prime factorization of 128 128 = 2 × 2 × 2 × 2 × 2 × 2 × 2; Find the prime factorization of 256.

User Patrick Jackson
by
4.6k points