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