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