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