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