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