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