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