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