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