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