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