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