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