Free Printable WorksheetMathGrade 6Math Curriculum6.33

6.33 Identify Prime and Composite Numbers and Find Factor Pairs Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Grade 6 Math worksheet provides structured practice on 6.33 Identify Prime and Composite Numbers and Find Factor Pairs. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Which answer choice correctly classifies the number as prime or composite and identifies a valid factor pair? (CCSS 6.NS.B.4; CA 6.NS.B.4; MA 6.NS.B.4; NY NY-6.NS.4; TX 19 TAC §111.26(b)(7)(A); FL MA.6.NSO.3.1; VA 6.NS.3a)

Whether you are an educator preparing classroom handouts, a tutor reinforcing weekly topics, or a parent supporting homeschool learning, this printable resource gives students the deliberate practice required to achieve subject fluency and master state standards.

Grade

Grade 6

Subject

Math

Domain

Math Curriculum

Formats

PDF & DOCX

Sample Practice Problems

Preview the types of problems and questions covered in this worksheet

Below are sample questions representative of the exercises included on this worksheet and related 6.33 Identify Prime and Composite Numbers and Find Factor Pairs skill assessments:

Problem 1Difficulty: Mastery

A video game gives a bonus of 337 coins. Which choice correctly classifies 337 and identifies a valid factor pair for 337? (A factor pair (a, b) means a × b = 337.)

AComposite; factor pair (10, 28)

BComposite; factor pair (1, 337)

CPrime; factor pair (21, 27)

DPrime; factor pair (1, 337)

Solution & Explanation:To test 337, check whether it has any divisors other than 1 and 337. No whole number from 2 to √337 divides evenly, so 337 is prime. That means the only factor pair is (1, 337).

Problem 2Difficulty: Mastery

A code uses the number 326. Which choice correctly classifies 326 and gives a valid factor pair? (A factor pair (a, b) means a × b = 326.)

AComposite; factor pair (11, 2)

BPrime; factor pair (2, 163)

CComposite; factor pair (2, 163)

DPrime; factor pair (17, 22)

Solution & Explanation:A composite number has more than two factors. Since 2 × 163 = 326, both 2 and 163 divide 326 evenly. So 326 is composite and (2, 163) is a valid factor pair.

Problem 3Difficulty: Mastery

A code uses the number 413. Which choice correctly classifies 413 and gives a valid factor pair? (A factor pair (a, b) means a × b = 413.)

APrime; factor pair (7, 59)

BComposite; factor pair (7, 59)

CComposite; factor pair (23, 29)

DPrime; factor pair (21, 10)

Solution & Explanation:A composite number has more than two factors. Since 7 × 59 = 413, both 7 and 59 divide 413 evenly. So 413 is composite and (7, 59) is a valid factor pair.

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Frequently Asked Questions

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QWhat grade level and standards does this worksheet align with?

This worksheet is designed specifically for Grade 6 Math students. It aligns with educational standard 6.33 (Identify Prime and Composite Numbers and Find Factor Pairs).