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