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