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