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