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