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