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