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