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