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