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