Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {13, 17, 23, 11, 3, 12} → ______
- Prime numbers in {13, 9, 7, 8, 5, 23} → ______
- Prime numbers in {21, 11, 19, 13, 27, 25} → ______
- Prime numbers in {2, 27, 9, 7, 25, 8} → ______
- Prime numbers in {7, 27, 25, 13, 8, 15} → ______
- Prime numbers in {8, 9, 27, 15, 5, 7} → ______
- Prime numbers in {12, 19, 29, 23, 13, 2} → ______
- Prime numbers in {12, 8, 9, 17, 15, 7} → ______
- Prime numbers in {15, 25, 9, 23, 7, 21} → ______
- Prime numbers in {7, 8, 5, 3, 19, 15} → ______
- Prime numbers in {29, 23, 8, 25, 27, 15} → ______
- Prime numbers in {13, 23, 17, 5, 19, 2} → ______
- Prime numbers in {29, 9, 15, 17, 7, 11} → ______
- Prime numbers in {3, 7, 29, 2, 27, 21} → ______
- Prime numbers in {5, 19, 27, 3, 13, 23} → ______
- Prime numbers in {19, 29, 9, 15, 12, 23} → ______
- Prime numbers in {5, 11, 12, 8, 9, 21} → ______
- Prime numbers in {17, 9, 21, 5, 12, 15} → ______
- Prime numbers in {29, 2, 11, 12, 5, 9} → ______
- Prime numbers in {27, 5, 11, 2, 8, 9} → ______