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