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