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