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