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