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