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