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Home > MC1 > Chapter 6 > Lesson 6.2.1 > Problem 6-49

6-49.
  1. . Recall that a factor of a number divides the original number with no remainder. For example, 4 and 6 are factors of 12. Homework Help ✎

    1. Find all the factors of 24.

    2. Find the smallest number that has 1, 2, 3, 4, and 5 as factors.

    3. Find the second smallest number that has 1, 2, 3, 4, and 5 as factors.

Remember that factors go together.
For example, if 12 goes into 24 exactly twice, then 2 must go into 24 exactly 12 times.
This might help you go faster.

Because 5 is a factor, we know that it has to be a multiple of 5.
Because 2 is also a factor, we know that the number has to be a multiple of 10.
Because 3 is also a factor, we know that the number has to be a multiple of 30.
What is the first multiple of 30 that is divisible by 4?

After reading the hint to part (b), answer the following question: What is the second multiple of 30 that is divisible by 4?