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