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