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