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