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