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