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