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