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