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