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