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