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