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