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