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