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