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Date:___________________
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Grade 5 - Mathematics
1.17 Prime Factorization of Numbers up to 500
Method
:
Factorize the given number.
The factors chosen need to be a prime number.
Example
: Find the prime factors of 144.
Factorise 144.
144 = 12 x 12
12 can be written as 4 x 3.
4 can be written as 2x2.
Hence 144 is 2x2x3x2x2x3.
Answer: 2x2x3x2x2x3
Directions:
Find the prime factors of the following. Also write at least ten examples of your own.
Name: ___________________
Date:___________________
Grade 5 - Mathematics
1.17 Prime Factorization of Numbers up to 500
Q 1
: What are the factors of the number: 315?
1x3x3x3x5x7
1x2x3x3x5x7
1x3x3x5x7
1x2x2x3x3x5x7
Q 2
: What are the factors of the number: 172?
1x2x2x3x43
1x2x2x2x43
1x2x2x43
1x2x2x2x2x43
Q 3
: What are the factors of the number: 159?
1x2x3x53
1x3x3x53
1x3x53
1x2x2x3x53
Q 4
: What are the factors of the number: 473?
1x11x43
1x3x11x43
1x2x2x11x43
1x2x11x43
Q 5
: What are the factors of the number: 411?
1x2x2x3x137
1x3x3x137
1x2x3x137
1x3x137
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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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