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