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