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