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