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