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