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Home > CC1 > Chapter Ch6 > Lesson 6.2.3 > Problem 6-100

6-100.

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

  1. Find all factors of 24.

    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.

  2. Find the smallest number that has 1, 2, 3, 4, and 5 as factors. What is the special name for this number?

    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?

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

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