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