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