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