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