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