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