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