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