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