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