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