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