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