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