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