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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.

 Name: ___________________Date:___________________

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

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