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Lesson: Challenging Arithmetic - 07t01

All Prime Factors of a Number

Build a list of factor pairs to determine all of the factors of a number.
Build a factor tree to determine the prime factors of a number.

Video - All factors of a Number

To determine all of the factors, list out the factor pairs (with the aid of the rules of divisibility):

  • 1 × 444
  • 2 × 222
  • 3 × 148
  • 4 × 111
  • 6 × 74
  • 12 × 37
  • for total of 12 factors. (6 = 2 × 3, 12 = 2 × 3 × 2 × 2

Countinue

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Test Prep Lessons With Video Lessons and Explained MCQ

Large number of solved practice MCQ with explanations. Video Lessons and 10 Fully explained Grand/Full Tests.

Each exam has different types of math sections. The sections may be called Mathematics or Arithmetic Problem Solving. In the math section of the exam, you will be tested on basic math skills such as addition, subtraction, multiplication, and division. Some sections may include fractions, decimals, graphs and percentages. All questions will be a multiple choice format. The amount of math questions on each test will vary.