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