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