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