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