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