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