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