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