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