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### Grade 6 - Mathematics1.21 Prime Factorization of Numbers up to 1000

Method:
1. Factorize the given number
2. The factors chosen need to be a prime number
Example: Find the prime factors of 504.
Solution:
Factorize the number 504
 Correct Incorrect Incorrect 504 = 2 x 252 252 = 2 x 126 126 = 2 x 63 63 = 3 x 21 21 = 3 x 7 504 = 2 x 2 x 2 x 3 x 3 x 7 504 = 2 x 252 252 = 4 x 63 63 = 3 x 21 21 = 3 x 7 504 = 2 x 4 x 3 x 3 x 7 504 = 2 x 252 252 = 2 x 126 126 = 2 x 63 63 = 9 x 7 504 = 2 x 2 x 2 x 9 x 7 2, 3 and 7 are prime numbers 4 is not a prime number 9 is not a prime number
Answer: 2 x 2 x 2 x 3 x 3 x 7

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: 468? 1x2x2x2x3x3x131x2x2x2x2x3x3x131x2x2x3x3x3x131x2x2x3x3x13 Q 2: What are the factors of the number: 193? 1x3x1931x2x1931x2x2x1931x193 Q 3: What are the factors of the number: 969? 1x2x2x3x17x191x2x3x17x191x3x3x17x191x3x17x19 Q 4: What are the factors of the number: 492? 1x2x2x2x3x411x2x2x3x3x411x2x2x2x2x3x411x2x2x3x41 Q 5: What are the factors of the number: 102? 1x2x3x3x171x2x2x3x171x2x3x171x2x2x2x3x17 Question 6: This question is available to subscribers only! Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only! Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!

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