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