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