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