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