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