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