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