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