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