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