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 {12, 9, 2, 17, 8, 19} → ______
- Prime numbers in {2, 27, 23, 7, 12, 13} → ______
- Prime numbers in {13, 11, 29, 17, 8, 9} → ______
- Prime numbers in {12, 11, 2, 23, 13, 9} → ______
- Prime numbers in {2, 21, 13, 17, 29, 11} → ______
- Prime numbers in {2, 17, 11, 21, 25, 15} → ______
- Prime numbers in {13, 2, 11, 25, 27, 12} → ______
- Prime numbers in {3, 2, 8, 5, 21, 29} → ______
- Prime numbers in {11, 7, 25, 29, 27, 21} → ______
- Prime numbers in {27, 5, 17, 19, 29, 23} → ______
- Prime numbers in {9, 8, 7, 17, 3, 2} → ______
- Prime numbers in {3, 29, 23, 9, 19, 25} → ______
- Prime numbers in {21, 12, 9, 15, 23, 29} → ______
- Prime numbers in {27, 19, 15, 7, 5, 29} → ______
- Prime numbers in {3, 25, 17, 23, 19, 5} → ______
- Prime numbers in {5, 13, 21, 8, 25, 2} → ______
- Prime numbers in {29, 17, 13, 23, 21, 7} → ______
- Prime numbers in {5, 3, 23, 8, 17, 25} → ______
- Prime numbers in {27, 15, 13, 23, 12, 7} → ______
- Prime numbers in {13, 2, 9, 25, 21, 12} → ______