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