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