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