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