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