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