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Prime and Composite Numbers worksheet for identifying factors and classifying numbers.

Worksheet titled "Prime and Composite Numbers" with a table for writing factors and determining if numbers are prime or composite, and a section to circle prime numbers from a list.

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ID: #888914

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Show Answer Key & Explanations Step-by-step solution for: Prime and Composite Numbers Worksheets - 15 Worksheets Library

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1) 43 - Factors: 1, 43 - Prime
2) 45 - Factors: 1, 3, 5, 9, 15, 45 - Composite
3) 47 - Factors: 1, 47 - Prime
4) 53 - Factors: 1, 53 - Prime
5) 55 - Factors: 1, 5, 11, 55 - Composite

Prime numbers to circle: 23, 31, 47, 71, 37, 73, 89

Parent Tip: Review the logic above to help your child master the concept of prime number worksheet.

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