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