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