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MEAP Preparation - Grade 6 Mathematics
2.53 Prime Factorization of Numbers up to 500

Method:
  1. Factorize the given number.
  2. The factors chosen need to be a prime number.
Example: Find the prime factors of 144.
  1. Factorise 144.
  2. 144 = 12 x 12
  3. 12 can be written as 4 x 3.
  4. 4 can be written as 2x2.
  5. Hence 144 is 2x2x3x2x2x3.
Answer: 2x2x3x2x2x3


Directions: Find the prime factors of the following. Also write at least ten examples of your own.
Q 1: What are the factors of the number: 64?
1x2x2x2x2x2x2
1x2x2x2x2x2x2x3
1x2x2x2x2x2x2x2x2
1x2x2x2x2x2x2x2

Q 2: What are the factors of the number: 15?
1x3x3x5
1x3x5
1x2x3x5
1x2x2x3x5

Q 3: What are the factors of the number: 252?
1x2x2x3x3x7
1x2x2x2x2x3x3x7
1x2x2x3x3x3x7
1x2x2x2x3x3x7

Q 4: What are the factors of the number: 287?
1x7x41
1x3x7x41
1x2x7x41
1x2x2x7x41

Q 5: What are the factors of the number: 197?
1x197
1x3x197
1x2x2x197
1x2x197

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