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