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