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