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If the sum of the factors of a number is 28, which of the following could be the

Practice Questions

Q1
If the sum of the factors of a number is 28, which of the following could be the number?
  1. 12
  2. 18
  3. 20
  4. 24

Questions & Step-by-Step Solutions

If the sum of the factors of a number is 28, which of the following could be the number?
  • Step 1: Understand what factors are. Factors of a number are the numbers that can be multiplied together to get that number.
  • Step 2: Find the factors of the number 12. The factors are 1, 2, 3, 4, 6, and 12.
  • Step 3: Add the factors together. Calculate 1 + 2 + 3 + 4 + 6 + 12.
  • Step 4: Perform the addition: 1 + 2 = 3, 3 + 3 = 6, 6 + 4 = 10, 10 + 6 = 16, 16 + 12 = 28.
  • Step 5: Check if the sum of the factors equals 28. Since it does, 12 is a possible number.
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