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