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