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