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