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