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