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