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