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