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