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