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