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