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