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