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