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